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