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 electroluminescent material, electroluminescent, and organic electroluminescent device classes of molecules.
user
c1ccc(-c2nc(-c3ccccc3-c3ccc4oc5ccccc5c4c3)cc(-c3ccccc3-n3c4ccccc4c4cc(-c5ccc6c(c5)oc5cccc(-c7ccccc7-c7cc(-c8ccccc8-n8c9ccccc9c9ccccc98)nc(-c8ccccc8)n7)c56)ccc43)n2)cc1
assistant