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 device class of molecules. Use the above information to create a molecule.
user
CC=CC=C(C)c1cccc(-c2cccc(-c3ccc(-c4cccc(-n5c6ccccc6c6c5ccc5c7ccccc7n(-c7cccc(-c8ccc(-c9cccc(-c%10cccc(-c%11ccccc%11)c%10)c9)cc8)c7)c56)c4)cc3)c2)c1
assistant