Using COC(=O)C1CC(COC(F)F)CN1C(=O)OC(C)(C)C, O=C(CBr)c1ccc(Br)cc1 to produce CC(C)(C)OC(=O)N1CC(COC(F)F)CC1C(=O)OCC(=O)c1ccc(Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.