Using C1CCNC1, O=C1CCc2ccc([N+](=O)[O-])cc2CC1 to produce O=[N+]([O-])c1ccc2c(c1)CCC(N1CCCC1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.