Using OCc1cnc2ccccc2c1O, COc1ccc(F)cc1C(C)(C)CC1(C(F)(F)F)CO1 to produce COc1ccc(F)cc1C(C)(C)CC(O)(Cn1cc(CO)c(=O)c2ccccc21)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.