[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N][C][=C][Branch1][=N][C][=Branch1][C][=S][N][Branch1][Branch1][C][Ring1][#Branch1][=O][C][N][C][=Branch1][Ring2][=N][Ring1][O][S][C][C][N][C][C][C][C][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is an oxopurine."}]