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