Using CCOCCl, CNc1ccc(-c2nc3ccc(O)cc3s2)cc1[N+](=O)[O-] to produce CCOCOc1ccc2nc(-c3ccc(NC)c([N+](=O)[O-])c3)sc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.