You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a organic electroluminescent element and belongs to the electroluminescent class of molecules. Use the above information to create a molecule.
user
CC1(C)c2cc(-c3ccc4c5ccccc5n(-c5ccccc5)c4c3)ccc2-c2ccc(N(c3ccc(-c4cccc(-n5c6ccccc6c6ccc(-c7ccc8c(c7)C(C)(C)c7cc(N(c9ccccc9)c9ccc(-c%10ccc%11c(c%10)c%10ccccc%10n%11-c%10ccccc%10)c%10ccccc9%10)ccc7-8)cc65)c4)cc3)c3ccc(-c4ccc5c(c4)c4ccccc4n5-c4ccccc4)cc3)cc21
assistant