Using CCOC(=O)CC(C)NC1CCCC1, O=[N+]([O-])c1cnc(Cl)nc1Cl to produce CCOC(=O)CC(C)N(c1nc(Cl)ncc1[N+](=O)[O-])C1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.