[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a pyrimidone and a nitroso compound."}, {"from": "gpt", "value": "[C][N][C][=Branch1][C][=O][C][=Branch2][Ring1][C][=C][Branch1][=Branch1][N][C][Ring1][#Branch1][=O][N][C][C][C][C][C][C][Ring1][=Branch1][N][=O]"}]