[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][=Branch1][C][=O][C][Branch1][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 3-oxo monocarboxylic acid that is valeric acid substituted by a methyl group at position 2 and a keto group at position 3. It has a role as a human metabolite. It is functionally related to a valeric acid."}]