Using COC(=O)c1ccc(-c2ccccc2C(F)(F)F)c(O)c1, CCBr to produce CCOc1cc(C(=O)OC)ccc1-c1ccccc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.