Using CCOC(=O)C1CCN(C(=O)OC(C)(C)C)CC1, FC(F)(F)Oc1cccc(CBr)c1 to produce CCOC(=O)C1(Cc2cccc(OC(F)(F)F)c2)CCN(C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.