[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a 1-benzopyran."}, {"from": "gpt", "value": "[C][C][Branch2][Ring1][#C][C][=C][C][=C][Branch2][Ring1][=Branch1][C][=C][C][=Branch1][#Branch1][=C][Ring1][=Branch1][O][Ring1][#Branch2][C][=Branch1][C][=O][C][C][=Branch1][C][=O][O][O][C][C]"}]