[{"from": "human", "value": "Given the following chemical reaction, what are some potential reagents that could have been employed? [C][I].[O][=C][C][C][Branch1][Ring1][C][O][C][N][Ring1][#Branch1][C][C][C][C][C][C][Ring1][=Branch1]>>[C][O][C][C][C][C][=Branch1][C][=O][N][Branch1][=Branch2][C][C][C][C][C][C][Ring1][=Branch1][C][Ring1][N]"}, {"from": "gpt", "value": "[Cl][C][Cl].[H-1].[Na+1]"}]