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 light-emitting diode that has an effect on delayed fluorescence. Use the above information to create a molecule.
user
c1ccc(-c2cc(-c3cccc(-c4c(-n5c6ccccc6c6ccccc65)c(-n5c6ccccc6c6ccccc65)nc(-n5c6ccccc6c6ccccc65)c4-n4c5ccccc5c5ccccc54)c3)cc(-c3ccccc3)n2)cc1
assistant