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