[{"from": "human", "value": "Provide a brief overview of 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)octadecanoic acid; major species at pH 7.3. It is an organophosphate oxoanion and a monocarboxylic acid anion. It is a conjugate base of a 12-(phosphonooxy)octadecanoic acid."}]