Using CCN1CCC2(CCN(CCc3ccc(NC(=O)c4ccc(N)c([N+](=O)[O-])c4)cc3)C2)C1 to produce CCN1CCC2(CCN(CCc3ccc(NC(=O)c4ccc(N)c(N)c4)cc3)C2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.