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 organic electroluminescent element and is electroluminescent.
user
C=CC(CCCCC)C1CCC(C(C)CC=C(CNC2C=CC3CCC=CC3C2)C2CCC(C(=CC)CN)C3CCCCC23)=C2C=CC=CC21
assistant