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 a liquid crystal compound and dielectric, and it impacts negative dielectric anisotropy.
user
C=CCCC1COC(c2ccc(-c3ccc(-c4ccc(CCCCCCCC)c(F)c4F)cc3)c(F)c2)OC1
assistant