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