Using C[C@H](N)C(=O)N1C[C@@H](Sc2ccccc2)C[C@H]1C(=O)O, CCOC(=O)C(=O)CCc1ccccc1 to produce CCOC(=O)[C@H](CCc1ccccc1)N[C@@H](C)C(=O)N1C[C@@H](Sc2ccccc2)C[C@H]1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.