Using O=[N+]([O-])c1ccccc1CBr, FC(F)(F)c1cnc(S)c(Cl)c1 to produce O=[N+]([O-])c1ccccc1CSc1ncc(C(F)(F)F)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.