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: This molecule is a member of the light-emitting class and influences electron transport.
user
c1ccc(-c2cc(-c3ccccc3)nc(-c3ccc(-c4ccc5ccccc5c4)cc3)n2)cc1
assistant