Using COCC[C@@H](OC(=O)c1ccc(-c2ccc(OCc3ccccc3)cc2)cc1)C(F)(F)F to produce COCC[C@@H](OC(=O)c1ccc(-c2ccc(O)cc2)cc1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.