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
Fc1ccc(COC2CCC(C3CCC(CCC4OCCO4)CC3)CC2)cc1Cl
assistant