Using CC(C)(C)C1Cc2cc(N3C[C@H](COS(C)(=O)=O)OC3=O)ccc2N1C(=O)OCc1ccccc1, [N-]=[N+]=[N-] to produce CC(C)(C)C1Cc2cc(N3C[C@H](CN=[N+]=[N-])OC3=O)ccc2N1C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.