Using CCOC(=O)C(Cc1ccc(OC)c(N)c1)OC(C)C, O=C(O)COc1ccc(Cl)cc1Cl to produce COc1ccc(CC(OC(C)C)C(=O)O)cc1NC(=O)COc1ccc(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.