You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is dielectric and it impacts negative dielectric anisotropy.
user
CC=COc1ccc(-c2ccc(CC)c(F)c2F)c(F)c1F
assistant