Using CCOC(=O)C(C(C)(C)C)C(O)(c1ccc(F)cc1)c1ccc(F)cc1 to produce CCOC(=O)C(=C(c1ccc(F)cc1)c1ccc(F)cc1)C(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.