Using [N-]=[N+]=[N-], C[C@H](Nc1nccc(N2C(=O)OC[C@@H]2[C@H](C)OS(C)(=O)=O)n1)c1cnc(-c2ccc(Cl)cc2)s1 to produce C[C@H](Nc1nccc(N2C(=O)OC[C@@H]2[C@@H](C)N=[N+]=[N-])n1)c1cnc(-c2ccc(Cl)cc2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.