You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a organic electroluminescent device and belongs to the electroluminescent class of molecules. Use the above information to create a molecule.
user
Cc1nc2c(ccc3cc(-c4ccccc4-c4cc(-c5ccccc5-c5ccc6c(ccc7sc(C)nc76)c5)cc(-c5ccccc5-c5ccc6c(ccc7sc(C)nc76)c5)c4)ccc32)s1
assistant