You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: It belongs to the organic light-emitting device class of molecules.
user
Cc1ccc2c(-c3ccccc3)c3ccccc3c(-c3ccc(-n4c(-c5ccccc5)cc5ccccc54)cc3)c2c1
assistant