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 dielectric that impacts negative dielectric anisotropy.
user
CCCC(O)c1ccc(-c2ccc(-c3ccc(C=Cc4ccc(OCC)c(F)c4F)cc3)c(F)c2F)cc1
assistant