Using CC(C)(C)OC(=O)/C=C/c1ccc(C(F)(F)F)cc1OCc1ccccc1 to produce CC(C)(C)OC(=O)CCc1ccc(C(F)(F)F)cc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.