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 has an effect on liquid crystal composition.
user
CCCCCCc1ccc(-c2nnc(-c3ccc(O)c(F)c3)s2)cc1
assistant