[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a member of psoralens."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][Branch2][Ring1][=C][C][C][C][=C][Branch1][Ring2][O][Ring1][Branch1][C][=Branch1][P][=C][C][=Branch1][Ring2][=C][Ring1][#Branch1][C][=C][C][=Branch1][C][=O][O][Ring1][Branch2][O][O]"}]