You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is a member of the organic light-emitting device class and affects light emission.
user
C=C1C=CC=CCC(=O)c2ccccc2C12c1ccccc1-c1ccccc12
assistant