Using CCOC(=O)C(Cc1ccc(OC(C)(C)C)cc1)C(O)c1cccc(Cl)c1 to produce CC(C)(C)Oc1ccc(CC(C(=O)O)C(O)c2cccc(Cl)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.