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 electronic device, organic electroluminescent material, and electroluminescent compound. Please write the SMILES representation of it.
user
c1ccc(-c2cc(-c3cccc(-n4c5ccccc5c5c6c7ccccc7oc6c6sc7ccccc7c6c54)c3)nc(-c3ccccc3)n2)cc1
assistant