Using COc1ccc(C(F)(F)F)cc1NC(=O)Nc1ccccc1C(F)(F)F to produce O=C(Nc1cc(C(F)(F)F)ccc1O)Nc1ccccc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.