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 based on this description: It belongs to the electroluminescent class of molecules.
user
CC1(C)c2ccccc2-c2ccc(-c3ccc4c(c3)c3ccccc3n4-c3nc(C#N)c4ccc(-c5ccccc5)cc4n3)cc21
assistant