Using CCC(CC)NC(=O)c1ccc(-c2cc(Cl)ccc2O)cc1F, COC(=O)[C@@H](C)Oc1ccc(C)cc1 to produce CCC(CC)NC(=O)c1ccc(-c2cc(Cl)ccc2O[C@@H](C)C(=O)O)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.