You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the organic light-emitting class of molecules. Use the above information to create a molecule.
user
c1ccc(-c2nc(-n3c4cc5ccccc5cc4c4c5c6ccccc6n6c7ccccc7c(cc43)c56)nc3ccc4ccccc4c23)cc1
assistant