[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch2][Ring1][C][C][C][C][C][C][C][C][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][O][C][C][C][C][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is an omega-hydroxy fatty acid anion that is the conjugate base of 3,18-dihydroxyoctadecano (3,18-dihydroxystearic acid), obtained by deprotonation of the carboxy group; major species at pH 7.3. It is functionally related to an octadecanoate. It is a conjugate base of a 3,18-dihydroxyoctadecanoic acid."}]