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 electronic device, organic light-emitting device, and light-emitting classes of molecules and has an effect on low voltage.
user
CC1(C)c2ccccc2-c2ccc(-c3ccc(-c4ccc5c6ccc7ccccc7c6c6nc7ccccc7n6c5c4)cc3)cc21
assistant