Using N#Cc1cc(F)cc(-c2ccc(Br)o2)c1, C[Sn](C)(C)c1ccccn1 to produce N#Cc1cc(F)cc(-c2ccc(-c3ccccn3)o2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.