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
CCCC1CCC(C2CCC(COC3CCC(CC(=O)c4ccc(OCC)c(F)c4O)CC3)CC2)CC1
assistant