Using CC(C)(C)OC(=O)N1CCN(c2ccc([N+](=O)[O-])c(NCc3cccc(Cl)c3)c2)CC1 to produce O=[N+]([O-])c1ccc(N2CCNCC2)cc1NCc1cccc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.