Using O=[N+]([O-])c1ccc(S)cc1, CC(=O)Nc1ncc(Cl)s1 to produce CC(=O)Nc1ncc(Sc2ccc([N+](=O)[O-])cc2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.