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 that fulfills the requirement: The molecule belongs to the organic light-emitting device, phosphorescent, delayed fluorescence, and electroluminescent device classes and is electroluminescent and organic light-emitting.
user
c1ccc(-c2cccc(-n3c4ccccc4c4cc(-c5ccc6c(c5)c5ccccc5n6-c5nc(-c6ccc7c8ccccc8c8ccccc8c7c6)nc(-c6ccc7c8ccccc8c8ccccc8c7c6)n5)ccc43)c2)cc1
assistant