Using FC(F)(F)CCBr, O=[N+]([O-])c1c[nH]c2ccc(Cl)cc12 to produce O=[N+]([O-])c1cn(CCC(F)(F)F)c2ccc(Cl)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.