Using Nc1ccc(CCC(=O)NC23CC4CC(CC(C4)C2)C3)cc1[N+](=O)[O-] to produce Nc1ccc(CCC(=O)NC23CC4CC(CC(C4)C2)C3)cc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.