Using C[C@H](Nc1nc(Cl)cc(Cl)n1)c1ccc(F)cc1, C[Sn](C)(C)c1cncc(C#N)c1 to produce C[C@H](Nc1nc(Cl)cc(-c2cncc(C#N)c2)n1)c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.