Using [N-]=[N+]=[N-], COc1nc(C)nc(NC(=O)NS(=O)(=O)c2ccccc2N)n1 to produce COc1nc(C)nc(NC(=O)NS(=O)(=O)c2ccccc2N=[N+]=[N-])n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.