You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? The molecule is a organic electroluminescent device and belongs to the electroluminescent class of molecules.
user
Cc1cc(C)c2ccc3ccc(-c4ccc(-c5cc(-c6ccccc6)nc(-c6ccccc6)n5)cc4)nc3c2n1
assistant