SMILES~
Smiles is sedekah~~
BUT, this S.M.I.L.E.S is about the Simplified Molecular-Input Line-Entry System or SMILES is a specification in form of a line notation for describing the structure of chemicalmolecules using short ASCII strings. SMILES strings can be imported by most molecule editors for conversion back into two-dimensional drawings orthree-dimensional models of the molecules.
The original SMILES specification was initiated by the author David Weininger at the USEPA Mid-Continent Ecology Division Laboratory in Duluth in the 1980s.[1][2][3] Acknowledged for their parts in the early development were "Gilman Veith and Rose Russo (USEPA) and Albert Leo and Corwin Hansch (Pomona College) for supporting the work, and Arthur Weininger (Pomona; Daylight CIS) and Jeremy Scofield (Cedar River Software, Renton, WA) for assistance in programming the system."[4] The Environmental Protection Agency funded the initial project to develop SMILES.[5][6]
It has since been modified and extended by others, most notably by Daylight Chemical Information Systems Inc. In 2007, an open standard called "OpenSMILES" was developed by the Blue Obelisk open-source chemistry community. Other 'linear' notations include theWiswesser Line Notation (WLN), ROSDAL and SLN (Tripos Inc).
In July 2006, the IUPAC introduced the InChI as a standard for formula representation. SMILES is generally considered to have the advantage of being slightly more human-readable than InChI; it also has a wide base of software support with extensive theoretical (e.g.,graph theory) backing.
There are 4 types of bonds:
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Bonds
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Symbol
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Single
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-
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Double
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=
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Triple
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#
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Aromatic
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:
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example:
SMILES notation: C=C
SMILES notation: C#C
any information please refer to this link:
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