Using CC1(C)Oc2ccc(S(=O)(=O)C(F)(F)F)cc2[C@@H](N2Cc3ccccc3C2=O)[C@@H]1O, O=[N+]=O to produce CC1(C)Oc2ccc(S(=O)(=O)C(F)(F)F)cc2[C@@H](N2Cc3ccccc3C2=O)[C@@H]1O[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.