Using CC(C)(C)OC(=O)N1CC(CCO)C1, Oc1ccc(Br)cc1C(F)(F)F to produce CC(C)(C)OC(=O)N1CC(CCOc2ccc(Br)cc2C(F)(F)F)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.