Using CCCCOC(=O)C(=C(c1ccc(F)cc1)c1ccc(F)cc1)C1CCCCC1 to produce OCC(=C(c1ccc(F)cc1)c1ccc(F)cc1)C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.