[{"from": "human", "value": "Given the following reaction, what are some possible reagents that could have been utilized? [C][C][=C][C][=C][Branch1][C][N][C][=C][Ring1][#Branch1].[I][I]>>[C][C][=C][C][=C][Branch1][C][N][C][Branch1][C][I][=C][Ring1][Branch2]"}, {"from": "gpt", "value": "[Cl][C][Cl].[O].[O][=C][Branch1][C][O-1][O].[O][=S][Branch1][C][O-1][O].[Na+1].[Na+1]"}]