Using C[C@@H]1[C@H](c2ccccc2)OC(=O)N1C(=O)CCc1ccccc1, O=Cc1ccc(Br)cc1F to produce CC1C(c2ccccc2)OC(=O)N1C(=O)C(Cc1ccccc1)C(O)c1ccc(Br)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.