Using CCOC(=O)c1nc(N2CC[C@H](NC(=O)OCc3ccccc3)[C@H](OC)C2)sc1C to produce CCOC(=O)c1nc(N2CC[C@H](N)[C@H](OC)C2)sc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.