Using Oc1noc2ccc(-c3ccc(OC(F)(F)F)cc3)cc12, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)COc1noc2ccc(-c3ccc(OC(F)(F)F)cc3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.