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: It belongs to the electroluminescent class of molecules. Please represent the molecule in SMILES.
user
Cn1c(-c2ccc3c(c2)C(C)(C)c2cc(-c4ccc5ccccc5c4)ccc2-3)nc2cc(-c3ccccc3)c3ccccc3c21
assistant