[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a member of pterins."}, {"from": "gpt", "value": "[C][C][Branch2][Ring1][Ring1][N][=C][C][=Branch1][C][=O][N][C][=Branch1][Branch2][=N][C][Ring1][#Branch1][=N][Ring1][O][N][C][=Branch1][C][=O][C][C][Branch1][=N][C][O][P][=Branch1][C][=O][Branch1][Ring2][O][Ring1][#Branch1][O][O]"}]