[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 2-oxo monocarboxylic acid that is 2-oxobutanoic acid with double bond at position 3. It has a role as a metabolite. It is a 2-oxo monocarboxylic acid and an enone."}]