[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a 1-benzopyran."}, {"from": "gpt", "value": "[C][C][Branch2][Ring1][=Branch2][C][=C][C][=C][Branch1][Ring2][O][Ring1][=Branch1][C][=C][C][O][C][=Branch1][C][=O][C][Ring1][=Branch1][=C][Ring1][O][O][C]"}]