Using NCc1ncn2ccsc12, O=C(Cl)OCc1ccc([N+](=O)[O-])cc1 to produce O=C(NCc1ncn2ccsc12)OCc1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.