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 a electronic device, a organic electroluminescent device, and electroluminescent. Please represent the molecule in SMILES.
user
CC1(C)c2ccccc2-c2ccc(-n3c4cc(-c5ccccc5)c5cccc6c7cc(-c8ccccc8)cc8c9cccc%10c(-c%11ccccc%11)cc3c(c%109)n(c78)c4c56)cc21
assistant