Using Cn1ccc(Nc2cccc(-c3ccccc3C#N)c2)c([N+](=O)[O-])c1=O to produce Cn1ccc(Nc2cccc(-c3ccccc3C#N)c2)c(N)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.