Using COc1ccc2sc(C(N)=O)c(S)c2c1, COC(=O)c1ccc(CBr)cc1 to produce COC(=O)c1ccc(CSc2c(C(N)=O)sc3ccc(OC)cc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.