Using O=[N+]([O-])c1ccccc1S(=O)Cl, COC(=O)c1ccccc1C1=NC(C)(C(C)C)C(=O)N1 to produce COC(=O)c1ccccc1C1=NC(C)(C(C)C)C(=O)N1Sc1ccccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.