Using CC(C)[C@H](NC(=O)OCc1ccccc1)C(=O)O, COc1ccc(COC(=O)C(C)(C)CC(O)CO)cc1 to produce COc1ccc(COC(=O)C(C)(C)CC(O)COC(=O)[C@@H](NC(=O)OCc2ccccc2)C(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.