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 dielectric and it impacts negative dielectric anisotropy.
user
CCCCCC1CC=C(c2ccc(CCC3CCC(c4ccc(OC)cc4F)CC3)c(F)c2F)CC1
assistant