You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a organic light-emitting device. Use the above information to create a molecule.
user
CC12C=CC=CC1c1ccccc1N2c1cc(-n2c3ccccc3c3ccccc32)c(-n2c3ccccc3c3ccccc32)c(C#N)c1-n1c2ccccc2c2ccccc21
assistant