[{"from": "human", "value": "Provide a brief overview of this molecule. [2H][C][Branch1][C][2H][Branch1][C][2H][N][C][=N][C][=C][Ring1][Branch1][C][=Branch1][C][=O][N][C][=Branch1][C][=O][N][Ring1][Branch2][C][Branch1][C][2H][Branch1][C][2H][2H]"}, {"from": "gpt", "value": "The molecule is an oxopurine."}]