You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: It belongs to the liquid crystal class of molecules. Please write the SMILES representation of it.
user
C=CCCCCCCCCOC1(C(=O)OCC(C)CC)C=CC(c2ccccc2)C=C1
assistant