You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): It belongs to the organic light-emitting device class of molecules.
user
Fc1ccc2cc3cc(-c4cccc(-c5nc(-c6ccccc6)nc(-c6ccccc6)n5)c4)c4cccnc4c3nc2c1
assistant