You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a dielectric that impacts negative dielectric anisotropy.
user
CCOCc1ccc(-c2ccc(OCc3ccc(C)c(F)c3)cn2)c(F)c1F
assistant