[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is an oxopurine."}, {"from": "gpt", "value": "[C][O][C][C][C][N][C][=C][Branch1][N][N][=C][Ring1][Branch1][C][=C][S][C][=C][Ring1][Branch1][N][Branch1][#Branch2][C][=Branch1][C][=O][N][C][Ring1][=C][=O][C][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]