You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is dielectric and it impacts negative dielectric anisotropy.
user
CC=COc1ccc(OC(=O)c2ccc(C3CCC(c4ccc(CCCCC)cc4)CC3)cc2)c(F)c1F
assistant