Using CC(C)(C=C(F)S(=O)(=O)c1ccccc1)c1ccc(Cl)cc1, CCCC[SnH](CCCC)CCCC to produce CCCC[Sn](CCCC)(CCCC)C(F)=CC(C)(C)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.