Using CC(C)N(C(=O)OCc1ccccc1)[C@@H]1CC[C@H](CC(=O)O)N(C(=O)OC(C)(C)C)C1 to produce CC(C)N(C(=O)OCc1ccccc1)[C@@H]1CC[C@H](CCO)N(C(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.