Using O=Cc1ccc(F)cc1F, O=[N+]([O-])c1nc[nH]n1 to produce O=Cc1ccc(-c2nc([N+](=O)[O-])n[nH]2)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.