You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a liquid crystal. Please represent the molecule in SMILES.
user
C=CC(=O)OCCCCOCC(COc1ccc(C(=O)Oc2ccc(CCOC(=O)c3ccc(OC(=O)c4ccc(OC(C)(C)COC(=O)C=C)cc4)cc3)cc2C=NNc2nc3ccccc3s2)cc1)OC(=O)C=C
assistant