[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a 2-hydroxyoctadecanoate that has S configuration. The conjugate base of (S)-2-hydroxystearic acid obtained via deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a (S)-2-hydroxyoctadecanoic acid. It is an enantiomer of a (R)-2-hydroxyoctadecanoate."}]