Using CC(C)S(=O)(=O)c1ccc(-c2cnc(N)c(Br)n2)cc1, CCCC[Sn](CCCC)(CCCC)/C(F)=C/c1ccccc1 to produce CC(C)S(=O)(=O)c1ccc(-c2cnc(N)c(/C(F)=C/c3ccccc3)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.