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