[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a 3-hydroxy fatty acid anion that is the conjugate base of 3-hydroxyoctadecanoic acid (3-hydroxystearic acid), obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a long-chain fatty acid anion and a 3-hydroxy fatty acid anion. It is functionally related to an octadecanoate. It is a conjugate base of a 3-hydroxyoctadecanoic acid."}]