Using O=C[C@H]1CC[C@H](C(F)(F)F)CC1, CCCC(C)C(O)O to produce CCCC1COC([C@H]2CC[C@H](C(F)(F)F)CC2)OC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.