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 member of the dielectric class and affects negative dielectric anisotropy. Please represent the molecule in SMILES.
user
C=CCCOc1ccc(CCc2ccc(-c3ccc(C4CCC(C(O)CCC)CC4)c(F)c3F)cc2)cc1F
assistant