You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a dielectric that impacts negative dielectric anisotropy.
user
CCCc1ccc(-c2ccc3c(oc4c(F)c(C5CCC(CCC)C5)ccc43)c2F)cc1
assistant