Using CCOC(=O)c1cc([N+](=O)[O-])c(Sc2cccc(Cl)c2Cl)s1 to produce O=C(O)c1cc([N+](=O)[O-])c(Sc2cccc(Cl)c2Cl)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.