You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a organic electroluminescent element and belongs to the electroluminescent class of molecules.
user
Cc1cc(-c2ccc(N(c3ccc(-c4ccc5ccccc5c4)cc3)c3c(C)cccc3-c3ccc(-c4ccccc4)cc3)c(C)c2)ccc1N(c1ccc(-c2ccc3ccccc3c2)cc1)c1c(C)cccc1-c1ccc(-c2ccccc2)cc1
assistant