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 class of molecules.
user
c1ccc(-c2ccc(N(c3cc(N4c5ccccc5Oc5ccccc54)cc(N(c4ccc(-c5ccccc5)cc4)c4cccc5c4oc4ccccc45)c3)c3cccc4c3oc3ccccc34)cc2)cc1
assistant