[{"from": "human", "value": "Based on the given chemical reaction, suggest some possible reagents. [Cl][C][=N][C][=N][C][=C][Ring1][=Branch1][I].[N][C][C][C][Ring1][Ring1]>>[I][C][=C][N][=C][N][=C][Ring1][=Branch1][N][C][C][C][Ring1][Ring1]"}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=O].[Cl][C][Cl].[O][=C][Branch1][C][O-1][O-1].[Cs+1].[Cs+1]"}]