[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Branch1][=N][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1][C][C][C][C][C][C][C][=O]"}, {"from": "gpt", "value": "The molecule is an omega-oxo fatty acid anion that is the conjugate base of 16-oxohexadecanoic acid, arising from the deprotonation of the carboxy group; major species at pH 7.3. It is an omega-oxo fatty acid anion, an aldehydic acid anion and a long-chain fatty acid anion. It is a conjugate base of a 16-oxohexadecanoic acid."}]