Using O=S1O[C@@H](c2ccc(Cl)cc2)CN1Cc1ccccc1, [N-]=[N+]=[N-] to produce [N-]=[N+]=N[C@@H](CNCc1ccccc1)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.