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 phosphorescent molecule is electroluminescent and has an effect on organic electroluminescence.
user
c1ccc(-c2cccc(-n3c4ccccc4c4ccc5c6ccc7c8ccccc8oc7c6n(-c6cc7c8c(cccc8c6)-c6ccccc6-7)c5c43)c2)cc1
assistant