You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is electroluminescent. Please represent the molecule in SMILES.
user
CC1(C)CCC(C)(C)c2c(-c3cccc(-n4c5ccccc5c5cc6c7ccccc7n(-c7nc(-c8ccccc8)nc(-c8ccccc8)n7)c6cc54)c3)cccc21
assistant