Using CSc1cc(C(=O)O)n(C)c1C(=O)c1ccc(Cl)cc1, C=[N+]=[N-] to produce CSc1cc(C(=O)C=[N+]=[N-])n(C)c1C(=O)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.