Using O=C(Nc1nnn[nH]1)c1cc(C(F)(F)F)ccc1OCc1ccccc1 to produce O=C(Nc1nnn[nH]1)c1cc(C(F)(F)F)ccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.