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