Using O=[N+]([O-])c1cnc2cc(OCc3ccccc3C(F)(F)F)ccc2c1 to produce Nc1cnc2cc(OCc3ccccc3C(F)(F)F)ccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.