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 device and belongs to the electroluminescent class of molecules. Use the above information to create a molecule.
user
CC(C)(C)c1ncc2c(n1)nc1c3cc4c(cc3cc(C(C)(C)C)n21)C1CCC4O1
assistant