Using O=Cc1ccc(F)cc1F, CC(C)(COCc1ccccc1)[N+](=O)[O-] to produce CC(C)(COCc1ccccc1)[N+]([O-])=Cc1ccc(F)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.