[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is an oxopurine."}, {"from": "gpt", "value": "[C][N][C][=C][Branch1][=N][C][=Branch1][C][=O][N][Branch1][Branch1][C][Ring1][#Branch1][=O][C][N][Branch1][Branch1][C][=N][Ring1][O][C][C][Branch1][=Branch2][C][N][Branch1][C][C][C][C][O][O]"}]