[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][C][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a branched-chain saturated fatty acid anion that is pentanoate with a methyl group substituent at position 4. It has a role as a metabolite. It is a branched-chain saturated fatty acid anion and a medium-chain fatty acid anion. It is a conjugate base of an isocaproic acid."}]