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: It belongs to the organic light-emitting device class of molecules.
user
c1ccc(-c2cc(-c3cccc4c3Oc3c(ccc5c3-c3ccccc3C5(c3ccccc3)c3ccccc3)O4)nc(-c3ccccc3)n2)cc1
assistant