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
N=C(C(=C1NC(c2ccccc2)=Cc2cc(-c3cc(-c4ccc(-c5ccccc5)cc4)nc(-c4ccc(-c5ccccc5)cc4)c3)ccc21)c1ccccc1)c1ccccc1
assistant