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 and organic electroluminescent. Please represent the molecule in SMILES.
user
CC1(C)c2cc(-c3cc4ccccc4c4ccccc34)ccc2-c2ccc(N(c3ccc4c5ccccc5c5c(-c6ccc(-c7ccccc7)c(N(c7ccc8c(c7)C(C)(C)c7cc(-c9cc%10ccccc%10c%10ccccc9%10)ccc7-8)c7ccc8cc9ccccc9cc8c7)c6)cccc5c4c3)c3ccccc3-c3ccccc3)cc21
assistant