Using CCOC(=O)c1ccc(N2CCC(OS(C)(=O)=O)CC2)cc1, [N-]=[N+]=[N-] to produce CCOC(=O)c1ccc(N2CCC(N=[N+]=[N-])CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.