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 dielectric that impacts both liquid crystal composition and negative dielectric anisotropy.
user
C=CC(=O)OC(C)(C)C12CC3CC(C1)CC(C(C)(C)OC(=O)C(=C)C)(C3)C2
assistant