Using O=C=Nc1ccc(C(F)(F)F)cc1, O=C1C=C(O)CO1 to produce O=C(Nc1ccc(C(F)(F)F)cc1)C1=C(O)COC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.