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