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(-c2nc(-c3ccc4oc5ccccc5c4c3)nc(-c3cccc4c3oc3c5ccccc5c(-n5c6cc7ccccc7cc6c6c7ccccc7ccc65)cc43)n2)cc1
assistant