Using COc1ccc2ncc(=O)n(CCN3C[C@H](CNC(=O)OCc4ccccc4)[C@H](O)C3)c2n1 to produce COc1ccc2ncc(=O)n(CCN3C[C@H](CN)[C@H](O)C3)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.