Using O=C(OCc1ccccc1)N1CCNCC1, O=[N+]([O-])c1ccc2nc(Cl)sc2c1 to produce O=C(OCc1ccccc1)N1CCN(c2nc3ccc([N+](=O)[O-])cc3s2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.