Using CNC1CCN(C(=O)OC(C)(C)C)CC1, O=C=NCc1ccc([N+](=O)[O-])cc1 to produce CN(C(=O)NCc1ccc([N+](=O)[O-])cc1)C1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.