You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: It belongs to the organic light-emitting diode class of molecules.
user
c1ccc(-c2ccc(-c3ccc(N(c4ccc(-c5ccccc5)cc4)c4ccc(-c5cc6ccccc6s5)cc4)cc3)cc2)cc1
assistant