Using O=C(c1ccc(Cl)cc1)c1ccc(CBr)cc1, Cc1n[nH]c2nc(S)n(C)c(=O)c12 to produce Cc1n[nH]c2nc(SCc3ccc(C(=O)c4ccc(Cl)cc4)cc3)n(C)c(=O)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.