You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a organic electroluminescent device and belongs to the electroluminescent class of molecules.
user
Cc1ccc(N(c2ccc(C)cc2C)c2c(C#N)cc3ccc4c(N(c5ccc(C)cc5C)c5ccc(C)cc5C)c(C#N)cc5ccc2c3c54)c(C)c1
assistant