Using COc1cc(NC(=O)Cc2cccc(C(F)(F)F)c2)ccc1CO to produce COc1cc(NC(=O)Cc2cccc(C(F)(F)F)c2)ccc1C=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.