Using Cc1c(S)nc2ccccn2c1=O, O=C(c1ccc(CBr)cc1)c1ccc(Cl)nc1 to produce Cc1c(SCc2ccc(C(=O)c3ccc(Cl)nc3)cc2)nc2ccccn2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.