Using Nc1cc(Cl)ccc1S, O=[N+]([O-])c1cc(CCl)n[nH]1 to produce Nc1cc(Cl)ccc1SCc1cc([N+](=O)[O-])[nH]n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.