Using CCOC1CCC(c2ccc(C3(O)CCC(C4CCC5(CC4)OCCO5)CC3)c(F)c2)CC1 to produce CCOC1CCC(c2ccc(C3=CCC(C4CCC5(CC4)OCCO5)CC3)c(F)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.