You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a member of the dielectric class and affects negative dielectric anisotropy.
user
CCCC1CCC(C2Cc3ccc(-c4ccc(C5CCC(CC)CC5)cc4)c(F)c3C(=O)O2)CC1
assistant