Using O=[N+]([O-])c1cc(O)c(Cl)cc1F, BrCC1CCCSC1 to produce O=[N+]([O-])c1cc(OCC2CCCSC2)c(Cl)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.