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