Using C[C@H]1CCCC(C)(C)[C@@H]1[C@H](O)c1c(F)c(F)c(F)c(F)c1F to produce C[C@H]1CCCC(C)(C)[C@@H]1C(=O)c1c(F)c(F)c(F)c(F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.