Using O=N[O-], COCc1cc(N)c2ncc(-c3ncccc3C(F)(F)F)nc2n1 to produce COCc1cc(O)c2ncc(-c3ncccc3C(F)(F)F)nc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.