Using COc1cc(C(=O)c2ccc(C(F)(F)F)cc2)ccc1OCc1ccccc1 to produce COc1cc(C(=O)c2ccc(C(F)(F)F)cc2)ccc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.