[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C][C][Branch1][S][C][/C][=C][/C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1]"}, {"from": "gpt", "value": "The molecule is an organophosphate oxoanion obtained by deprotonation of the carboxy and phosphate OH groups of 12-phosphonooxy-(9E)-octadecenoic acid; major species at pH 7.3. It is an organophosphate oxoanion and a monocarboxylic acid anion. It is a conjugate base of a (9E)-12-(phosphonooxy)octadecenoic acid."}]