[{"from": "human", "value": "Describe this molecule. [C][C][C][Branch1][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion that is the conjugate base of 3-methylvaleric acid, resulting from the deprotonation of the carboxy group. Major species at pH 7.3. It is a branched-chain saturated fatty acid anion, a monocarboxylic acid anion, a short-chain fatty acid anion and a methyl-branched fatty acid anion. It is a conjugate base of a 3-methylvaleric acid."}]