Using CCN(CCO)CC(O)C1OC(C)(C)N(C(=O)OCc2ccccc2)[C@H]1CC1CCCCC1 to produce CCN(CCO)CC(O)C(O)[C@@H](N)CC1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.