[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a 2-hydroxy fatty acid anion that is the conjugate base of 2-hydroxyoctadecanoic acid (stearic acid), obtained by deprotonation of the carboxy group; major species at pH 7.3. It has a role as a human metabolite. It is a long-chain fatty acid anion and a 2-hydroxy fatty acid anion 18:0. It is functionally related to an octadecanoate. It is a conjugate base of a 2-hydroxyoctadecanoic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}]