Using CCCBr, Fc1ccc(-c2ccc(C3CC[SiH](Cl)CC3)cc2)cc1 to produce CCC[Si@H]1CC[C@H](c2ccc(-c3ccc(F)cc3)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.