Using O=Cc1cc(Br)c(-c2ccc(F)cc2F)c(F)c1O, CC(C)I to produce CC(C)Oc1c(C=O)cc(Br)c(-c2ccc(F)cc2F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.