Using CNc1cc(-n2cc(-c3ccc(OC)cc3)c3ccc(-c4cccc([N+](=O)[O-])c4)cc32)ncn1 to produce CNc1cc(-n2cc(-c3ccc(OC)cc3)c3ccc(-c4cccc(N)c4)cc32)ncn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.