Using CCOc1ccc([C@H]2CC[C@H](C=O)CC2)c(F)c1F, CC(C)=O to produce CCOC1(C(=O)O)CCC[C@@H](F)[C@@H]1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.