[{"from": "human", "value": "Describe this molecule. [C][C][=Branch2][Ring1][C][=C][C][C][=C][Branch1][O][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is a carbonyl compound."}]