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: It belongs to the liquid crystal class of molecules.
user
C=CC(=O)NC1CCC(c2ccc(-c3ccc(C4CCC(CCCCC)CC4)cc3F)cc2F)CC1
assistant