Using CC(C)c1nc(COCc2ccccc2)[nH]c1Sc1cc(Cl)cc(Cl)c1, FCBr to produce CC(C)c1nc(COCc2ccccc2)n(CF)c1Sc1cc(Cl)cc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.