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 device and belongs to the high refractive index class of molecules. Use the above information to create a molecule.
user
c1cc2ccc(-c3ccc(-c4ccc(N(c5ccc(-c6ccc7ccncc7c6)cc5)c5ccc(-c6ccc7ccncc7c6)cc5)cc4)cc3)cc2cn1
assistant