You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a optoelectronic and dielectric, belonging to the liquid crystalline class of molecules, and it impacts both liquid crystal composition and negative dielectric anisotropy.
user
CCCC#Cc1ccc(C2CCC(CCCCCCC)CC2)nn1
assistant