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 a organic electroluminescent device and belongs to the electroluminescent class of molecules.
user
c1ccc(-c2nc(-n3c4ccccc4c4ccccc43)nc3cc(-c4cccc5oc6ccc(-c7ccc8c(c7)c7ccccc7n8-c7ccccc7)cc6c45)ccc23)cc1
assistant