Using CCOC(=O)CC(c1ccccc1)c1c[nH]c2cc(OCCCN)ccc12, O=[N+]([O-])c1cccnc1Cl to produce O=C(O)CC(c1ccccc1)c1c[nH]c2cc(OCCCNc3ncccc3[N+](=O)[O-])ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.