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
CCCOc1ccc(OCC(F)CC2CCC(OCC3CCC(C)CC3)CC2)cc1F
assistant