You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a organic electroluminescent device and belongs to the electroluminescent class of molecules.
user
c1ccc(-c2ccc(Nc3ccccc3-c3cccc(-c4ccc5[nH]c6c7c(ccc6c5c4)-c4ccccc4C7(c4ccccc4)c4ccccc4)c3)cc2)cc1
assistant