Using Fc1cccc(Br)c1F, CCCCC[C@H]1CC[C@H](CCCCC2CCC(=O)CC2)CC1 to produce CCCCC[C@H]1CC[C@H](CCCCC2CC=C(c3cccc(F)c3F)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.