Using CON(C)C(=O)c1cnc(S)n1-c1ccc(F)cc1, Fc1ccc(F)c(CBr)c1F to produce CON(C)C(=O)c1cnc(SCc2c(F)ccc(F)c2F)n1-c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.