[{"from": "human", "value": "Please provide possible reagents based on the following chemical reaction. [C][N][O][C].[O][=C][Branch1][C][O][C][C][C][O][C][C][Ring1][=Branch1]>>[C][O][N][Branch1][C][C][C][=Branch1][C][=O][C][C][C][O][C][C][Ring1][=Branch1]"}, {"from": "gpt", "value": "[C][C][N][Branch1][Ring1][C][C][C][C].[C][C][N][=C][=N][C][C][C][N][Branch1][C][C][C].[Cl].[Cl][C][Cl]"}]