Using [N-]=[N+]=[N-], Cc1ccc(S(=O)(=O)OC[C@@H]2C[C@H]3C[C@H]3N2C(=O)OC(C)(C)C)cc1 to produce CC(C)(C)OC(=O)N1[C@H](CN=[N+]=[N-])C[C@H]2C[C@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.