[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a member of psoralens."}, {"from": "gpt", "value": "[C][O][C][=C][C][=C][O][C][Ring1][Branch1][=C][Branch1][=C][C][=C][Ring1][=Branch2][C][=C][C][=Branch1][C][=O][O][Ring1][#Branch1][O]"}]