Using CC(=O)OC(C)=O, CN1CCN(C(=O)c2ccc([N+](=O)[O-])cc2N)CC1 to produce COC(=O)Nc1cc([N+](=O)[O-])ccc1C(=O)N1CCN(C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.