Using CC1(c2cccc([N+](=O)[O-])c2)C2CN(Cc3ccccc3)C(=O)C21 to produce CC1(c2cccc(N)c2)C2CN(Cc3ccccc3)C(=O)C21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.