Using Cc1ccc(CCOC(=O)N[C@@H](C(=O)O)[C@H](C)O)cc1 to produce Cc1ccc(CCOC(=O)N[C@H]2C(=O)O[C@H]2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.