Using COC(=O)c1ccc(OC(F)(F)F)c(O)c1, OC1CCCC1 to produce COC(=O)c1ccc(OC(F)(F)F)c(OC2CCCC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.