Using O=C1CCc2cc(-c3ccc(C(F)(F)F)cc3)ccc2N1, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)CN1C(=O)CCc2cc(-c3ccc(C(F)(F)F)cc3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.