Using COc1cc(S)cc(OC)c1, O=[N+]([O-])c1ccc(F)cc1 to produce COc1cc(OC)cc(Sc2ccc([N+](=O)[O-])cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.