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
CC1(C)c2ccccc2-c2cc3c(cc21)c1ccccc1n3-c1ccc(-c2nc(-c3ccccc3)cc(-c3ccccc3)n2)cc1-c1cc(-c2ccccc2)cc(-c2ccccc2)n1
assistant