Using CC(C)(C)OC(=O)c1cc(Cl)c(F)cc1F, CC1CCCCC1CO to produce CC1CCCCC1COc1cc(F)c(C(=O)OC(C)(C)C)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.