Using CCc1cn([C@@H]2O[C@H](CN=[N+]=[N-])[C@@H](O)[C@@H]2F)c(=O)[nH]c1=O to produce CCc1cn([C@@H]2O[C@H](CN)[C@@H](O)[C@@H]2F)c(=O)[nH]c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.