Using Brc1cccs1, CCc1c(C(=O)N2CCC(=O)CC2)nc(-c2ccccc2Cl)n1-c1ccc(Cl)cc1 to produce CCc1c(C(=O)c2cccs2)nc(-c2ccccc2Cl)n1-c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.