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: It belongs to the organic light-emitting device class of molecules.
user
c1ccc(-c2cc(-c3ccccc3)nc(-n3c4cc5c(cc4c4cc6sc7cc8c(cc7c6cc43)CC8)CC5)n2)cc1
assistant