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