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