Using FC(F)(F)c1cnc(Br)cn1, CC(C)(C)OC(=O)N1C[C@H]2C[C@H]2C[C@H]1CN to produce CC(C)(C)OC(=O)N1C[C@H]2C[C@H]2C[C@H]1CNc1cnc(C(F)(F)F)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.