You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: It belongs to the organic light-emitting device class of molecules.
user
CC1(C)c2cc(N(c3ccc(C#N)cc3)c3ccc4c(c3)c3ccccc3n4-c3ccccc3)ccc2C2C=CC=CC21C
assistant