Using CCC[C@H](c1ccc(C(=O)OC(C)(C)C)cc1)C(O)(c1ccc(Cl)cc1)c1cnc2cc(C(F)(F)F)ccc2c1 to produce CCC[C@H](c1ccc(C(=O)O)cc1)C(c1ccc(Cl)cc1)c1cnc2cc(C(F)(F)F)ccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.