[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][C][C][O][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is an acetate ester that is butyl acetate substituted by an oxo group at position 3. It has a role as a metabolite. It is functionally related to a butyl acetate."}]