[{"from": "human", "value": "Please propose potential reagents that might have been utilized in the provided chemical reaction. [C][C][N][C][Ring1][Ring2].[O][=C][Branch1][C][O][C][C][=C][NH1][C][=Ring1][Branch1]>>[O][=C][Branch1][Branch2][C][C][=C][NH1][C][=Ring1][Branch1][N][C][C][C][Ring1][Ring2]"}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=O].[Cl][C][Cl].[O][=C][Branch1][C][Cl][C][=Branch1][C][=O][Cl]"}]