[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][Branch1][C][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a 2-oxo monocarboxylic acid anion that is the conjugate base of 3-methyl-2-oxovaleric acid, arising from deprotonation of the carboxy group; major species at pH 7.3. It has a role as a human metabolite. It is a 2-oxo monocarboxylic acid anion and a branched-chain keto acid anion. It is functionally related to a valerate. It is a conjugate base of a 3-methyl-2-oxovaleric acid."}]