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 is electroluminescent. Use the above information to create a molecule.
user
CC1(C)c2cc(-c3ccc4c(c3)c3ccccc3n4-c3ccccc3)ccc2-c2ccc(N(c3ccc(-c4ccc5c6ccccc6n(-c6ccccc6)c5c4)cc3)c3ccc(-c4cccc5c4oc4ccccc45)cc3)cc21
assistant