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: It belongs to the light-emitting class of molecules. Please write the SMILES representation of it.
user
c1ccc(-c2cccc(-c3nc(-c4ccccc4)nc(-c4cccc(-n5c6ccccc6c6c7c8ccccc8n(-c8cccc(-c9ccccc9)c8)c7ccc65)c4)n3)c2)cc1
assistant