Using O=C(c1ccc(Cl)cc1)c1ccc(CBr)cc1, Cn1c(=S)[nH]c2nccnc2c1=O to produce Cn1c(SCc2ccc(C(=O)c3ccc(Cl)cc3)cc2)nc2nccnc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.