Using CC(C)(C)OC(=O)c1cc(Cl)c(F)cc1F, O[C@H]1C[C@@H]2CC[C@H]1C2 to produce CC(C)(C)OC(=O)c1cc(Cl)c(O[C@H]2C[C@@H]3CC[C@H]2C3)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.