Using [N-]=[N+]=[N-], C[C@H](Nc1nc(Cl)cc(-n2cnc3ccccc32)n1)c1ccccc1 to produce C[C@H](Nc1nc(N=[N+]=[N-])cc(-n2cnc3ccccc32)n1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.