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 liquid crystal and belongs to the optoelectronic class of molecules.
user
CCCCc1ccc2c(F)c(-c3ccc(OC)c(F)c3)ccc2c1
assistant