You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The liquid crystal display device molecule affects liquid crystal composition, impacts negative dielectric anisotropy, and is dielectric. Use the above information to create a molecule.
user
C=CCCc1ccc(COc2ccc3c(c2F)C(F)C(F)c2c-3ccc(OCC)c2F)cc1
assistant