Using CO[C@H]1C[C@H](NC(=O)C(F)(F)F)[C@@H](O)[C@H](C)O1, C=[N+]=[N-] to produce CO[C@@H]1[C@@H](NC(=O)C(F)(F)F)CC(O)O[C@H]1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.