Using CS(=O)(=O)Nc1cc(C#N)cc(-c2cn3nc(Cl)ccc3n2)c1 to produce CS(=O)(=O)Nc1cc(C#N)cc(-c2cn3ncccc3n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.