You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a organic electroluminescent device, a electronic device, and electroluminescent.
user
CC1(C)c2ccccc2-c2ccc(-c3cc4c(c5c3oc3ccccc35)-c3ccc(N(c5ccc6c(c5)C(C)(C)c5c7c(c8c(oc9ccccc98)c5-6)-c5ccccc5C7(C)C)c5ccc6c(c5)c5ccccc5n6-c5ccccc5)cc3C4(C)C)cc21
assistant