[{"from": "human", "value": "Please give me some details about this molecule. [C][C][Branch1][O][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a 2-oxo monocarboxylic acid and a 4-hydroxy monocarboxylic acid. It has a role as an Escherichia coli metabolite. It is functionally related to a valeric acid. It is a conjugate acid of a 4-hydroxy-2-oxopentanoate."}]