Using CN1CC[C@@H](C(=O)Nc2ccncn2)N1C(=O)[C@H](CC1CCCC1)CN(C=O)OCc1ccccc1 to produce CN1CC[C@@H](C(=O)Nc2ccncn2)N1C(=O)[C@H](CC1CCCC1)CN(O)C=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.