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 compound and belongs to the organic light-emitting class of molecules; it has effects on both low voltage and electroluminescent device, and is characterized as electroluminescent and luminescent. Please write the SMILES representation of it.
user