Using Fc1ccc(Br)c(F)c1F, CCC[C@H]1CC[C@H](C2CCC(=O)CC2)CC1 to produce CCC[C@H]1CC[C@H](C2CCC(O)(c3ccc(F)c(F)c3F)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.