[{"from": "human", "value": "Please suggest some possible reagents that could have been used in the following chemical reaction. [C][I].[C][O][C][=C][Branch1][C][Br][C][=C][C][NH1][N][=C][C][Ring1][#Branch2][=Ring1][Branch1]>>[C][O][C][=C][Branch1][C][Br][C][=C][C][=C][Ring1][#Branch1][C][=N][N][Ring1][Branch1][C]"}, {"from": "gpt", "value": "[C][C][O][C][Branch1][C][C][=O].[C][N][Branch1][C][C][C][=O].[O].[H-1].[Na+1]"}]