You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a dielectric that impacts both liquid crystal composition and negative dielectric anisotropy.
user
CCCCCCCc1cc2ccc(C(F)=C(F)c3ccc(CCC)c(F)c3)c(F)c2c(=O)o1
assistant