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
COC(=O)c1c[nH]cc1CCCCOc1ccc(-c2ccc(C#N)cc2)cc1
assistant