Using NO, CCOc1cc([C@@H](CC(=O)O)N2Cc3ccccc3C2=O)ccc1OC to produce CCOc1cc([C@@H](CC(=O)NO)N2Cc3ccccc3C2=O)ccc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.