Using C=CCC(C)Br, Fc1ccc(CC[C@H]2CC[C@H](C3CC[SiH](Cl)CC3)CC2)cc1F to produce C=CCCC[Si@H]1CC[C@H]([C@H]2CC[C@H](CCc3ccc(F)c(F)c3)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.