Using CCOCCCCCC(OC(=O)c1ccc(OCc2ccccc2)cc1F)C(F)(F)F to produce CCOCCCCCC(OC(=O)c1ccc(O)cc1F)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.