[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a straight-chain, saturated fatty acid anion resulting from the deprotonation of the carboxy group of pentadecanoic acid. It is the major species at pH 7.3. It has a role as an animal metabolite and a plant metabolite. It is a long-chain fatty acid anion, a straight-chain saturated fatty acid anion and a fatty acid anion 15:0. It is a conjugate base of a pentadecanoic acid."}]