[{"from": "human", "value": "Describe this molecule. [C][O][C][=Branch1][C][=O][C][=C][O][C][=Branch1][=Branch1][=C][C][Ring1][=Branch1][=O][C][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a member of pyrans and a carbonyl compound. It has a role as a metabolite."}]