Using CC(C)(C)c1ccc(CNC(=O)C(F)(F)F)cc1, OC(CBr)C(F)(F)F to produce CC(C)(C)c1ccc(CN(CC(O)C(F)(F)F)C(=O)C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.