Using Oc1cc(C(F)(F)F)nc(S)n1, Cn1cc(Cl)c(CBr)n1 to produce Cn1cc(Cl)c(CSc2nc(O)cc(C(F)(F)F)n2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.