You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a liquid crystal compound and belongs to the dielectric class of molecules, impacting negative dielectric anisotropy. Please represent the molecule in SMILES.
user
C=CCCC1CCC(c2ccc(-c3ccc(-c4ccc(OCCCCCCCCC)c(F)c4F)cc3)cc2F)CC1
assistant