[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][Branch1][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a short-chain fatty acid anion and a branched-chain saturated fatty acid anion. It is a conjugate base of a 2-methylbutyric acid."}]