Using CCC(Cc1ccc(-c2ccc(C(F)(F)F)cc2)cc1)Oc1ccc(C(=O)OC)cc1 to produce CCC(Cc1ccc(-c2ccc(C(F)(F)F)cc2)cc1)Oc1ccc(C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.