Using Oc1cc(F)c(F)c(F)c1, COCCOc1ccc(C(=O)O)cc1 to produce COCCOc1ccc(C(=O)Oc2cc(F)c(F)c(F)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.