Using [N-]=[N+]=[N-], CC(=O)N1CCn2c1nc1c2c(=O)n(CCCC[C@H](C)OS(C)(=O)=O)c(=O)n1C to produce CC(=O)N1CCn2c1nc1c2c(=O)n(CCCC[C@@H](C)N=[N+]=[N-])c(=O)n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.