[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a hydroxy fatty acid anion that is the conjugate base of 2-hydroxypalmitic 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 2-hydroxy fatty acid anion 16:0 and a long-chain fatty acid anion. It is functionally related to a hexadecanoate. It is a conjugate base of a 2-hydroxyhexadecanoic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}]