Using CC(C(=O)N1CCN(CCc2ccc([N+](=O)[O-])cc2)CC1)c1ccc([N+](=O)[O-])cc1 to produce CC(CN1CCN(CCc2ccc([N+](=O)[O-])cc2)CC1)c1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.