Using [N-]=[N+]=[N-], CC(C)(C)C(=O)Nc1ccc(-c2cc(=O)c3c(NCCCCCl)c(F)cc(F)c3o2)cc1F to produce CC(C)(C)C(=O)Nc1ccc(-c2cc(=O)c3c(NCCCCN=[N+]=[N-])c(F)cc(F)c3o2)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.