[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a carbonyl compound and a member of pyrans."}, {"from": "gpt", "value": "[C][/C][=C][/C][=C][\\C][=C][C][=C][/-Ring1][Branch1][C][=Branch1][C][=O][O][C][=C][Ring1][#Branch1][C][=Branch1][C][=O][O][C]"}]