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
CCCC(O)C1CCC(c2ccc(C(=O)Oc3ccc(-c4ccc(O)cc4F)cc3)c(F)c2F)CC1
assistant