[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an oxopurine."}, {"from": "gpt", "value": "[C][C][C][N][C][=C][Branch1][#C][C][=Branch1][C][=O][N][Branch1][Branch1][C][Ring1][#Branch1][=O][C][C][C][N][C][=Branch1][Ring2][=N][Ring1][=N][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]