Using CCOc1c(C(C)C)cc(C(C)C)cc1C(O)c1cc(Br)ccc1F to produce CCOc1c(C(=O)c2cc(Br)ccc2F)cc(C(C)C)cc1C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.