Using N#Cc1ccc2c(c1)Nc1ccc(Cl)cc1S2, CCOC(=O)C(C)Cl to produce CCOC(=O)C(C)N1c2ccc(Cl)cc2Sc2ccc(C#N)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.