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