[{"from": "human", "value": "What reagents could have been utilized in the following chemical reaction? [O][=C][C][=C][Branch1][C][Cl][C][=C][C][Branch1][C][Br][=C][Ring1][Branch2][F]>>[O][C][C][=C][Branch1][C][Cl][C][=C][C][Branch1][C][Br][=C][Ring1][Branch2][F]"}, {"from": "gpt", "value": "[C][C][C][O][C][Ring1][Branch1].[Cl].[O].[Al+3].[H-1].[H-1].[H-1].[H-1].[Li+1]"}]