Using CC(=O)c1ccc(NS(C)(=O)=O)c(Sc2ccc(F)cc2F)c1, BrBr to produce CS(=O)(=O)Nc1ccc(C(=O)CBr)cc1Sc1ccc(F)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.