Using [N-]=[N+]=[N-], COC(=O)[C@H]1CC[C@](O)(c2ncc(-c3cc(COS(C)(=O)=O)cc(Nc4nccc(C(F)(F)F)n4)c3)s2)CC1(C)C to produce COC(=O)[C@H]1CC[C@](O)(c2ncc(-c3cc(CN=[N+]=[N-])cc(Nc4nccc(C(F)(F)F)n4)c3)s2)CC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.