[{"from": "human", "value": "Please propose potential reagents that might have been utilized in the provided chemical reaction. [I][I].[O][C][=C][C][=C][Branch1][Branch2][N][C][=C][N][=C][Ring1][Branch1][C][=C][Ring1][O]>>[O][C][=C][C][=C][Branch1][Branch2][N][C][=C][N][=C][Ring1][Branch1][C][=C][Ring1][O][I]"}, {"from": "gpt", "value": "[C][O].[Cl][C][Cl].[O].[O][=S][Branch1][C][O-1][Branch1][C][O-1][=S].[Na+1].[Na+1]"}]