Using FC(F)(F)c1ccc(Cl)c(CBr)c1, CCOC(=O)c1nccnc1CSC(=N)N to produce CCOC(=O)c1nccnc1CSCc1cc(C(F)(F)F)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.