Using Oc1ccc(F)cc1C(O)C(F)(F)F, Oc1ccc(F)cc1C1(C(F)(F)F)CCO1 to produce C=CCOc1ccc(F)cc1C(=O)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.