Using Fc1cc(-c2c(F)cc(Br)cc2F)cc(F)c1OC(F)F, CCCCC[Si@H]1CC[C@H](CCC2CCC(Br)CC2)CC1 to produce CCCCC[Si@H]1CC[C@H](CC[C@H]2CC[C@H](c3cc(F)c(-c4cc(F)c(OC(F)F)c(F)c4)c(F)c3)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.