Using FC(F)(F)c1ccc2c(-c3ccccc3)n[nH]c2c1, CCOC(=O)c1csc(CBr)n1 to produce CCOC(=O)c1csc(Cn2nc(-c3ccccc3)c3ccc(C(F)(F)F)cc32)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.