You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a organic electroluminescent device and belongs to the electroluminescent class of molecules. Please write the SMILES representation of it.
user
CCc1nc(-c2ccc3c4ccccc4n(-c4ccccc4)c3c2)ncc1-c1cc2c3ccccc3c3ccccc3c2cc1C
assistant