[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Branch1][O][C][C][C][C][C][C][=Branch1][C][=O][O-1][C][C][C][C][C][Branch1][Branch2][C][C][C][C][C][C][O][O]"}, {"from": "gpt", "value": "The molecule is a hydroxy fatty acid anion that is the conjugate base of 12,18-dihydroxyoctadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 12,18-dihydroxyoctadecanoic acid."}]