You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a liquid crystal.
user
C=CC(=O)Oc1ccc(-c2cccc3c(OC(=O)C=C)c(OC(=O)C=C)ccc23)cc1OC(=O)C=C
assistant