Using ClCc1ccccn1, CC(=O)Nc1ccc(-c2c(C#N)c(N)nc(S)c2C#N)cc1 to produce CC(=O)Nc1ccc(-c2c(C#N)c(N)nc(SCc3ccccn3)c2C#N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.