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