You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is organic light-emitting.
user
C1=Cc2c(c3ccc(-c4ccc5c(c4)-c4ccccc4C54c5ccccc5-c5ccccc54)cc3c3ccccc23)C(c2cccc(-c3nc(-c4ccccc4)nc(-c4ccccc4)n3)c2)C1
assistant