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