Using Cc1ccccc1C(=O)Nc1ccc(C(=O)N2CCCC(Cl)c3ccccc32)cc1, [N-]=[N+]=[N-] to produce Cc1ccccc1C(=O)Nc1ccc(C(=O)N2CCCC(N=[N+]=[N-])c3ccccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.