[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an oxopentanoic acid with the oxo group in the 4-position. It has a role as a plant metabolite. It is a straight-chain saturated fatty acid and an oxopentanoic acid. It is a conjugate acid of a 4-oxopentanoate."}]