You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a dielectric that affects liquid crystal composition by impacting negative dielectric anisotropy. Use the above information to create a molecule.
user
CCCCCC1CCC(CCc2cc3ccc(OCCCC)c(F)c3c(=O)o2)CC1
assistant