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 optoelectronic member of the liquid crystal class.
user
CCCCCCCCCc1cnc(C(=CCc2ccccc2)C(=O)O)nc1
assistant