You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a dielectric and liquid crystal compound, and it impacts negative dielectric anisotropy.
user
C=CCCC1CC=C(c2ccc(-c3ccc(-c4ccc(OCCCCCCC)c(F)c4F)cc3)c(F)c2)CC1
assistant