Using O=Cc1cn(-c2ccccn2)nc1-c1ccc([N+](=O)[O-])o1, NO to produce O=[N+]([O-])c1ccc(-c2nn(-c3ccccn3)cc2C=NO)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.