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 diode class of molecules.
user
CC1(C)C(c2ccc(N(c3ccc(-c4ccccc4)cc3)c3ccc(-c4ccc(-c5ccccc5)cc4)cc3)cc2)=Cc2c1ccc1ccccc21
assistant