You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the organic light-emitting device class of molecules.
user
N#Cc1ccc(-c2nc(-c3ccc(F)cc3)nc(-c3c4ccccc4c(-c4ccc(P(=O)(c5ccccc5)c5ccccc5)cc4)c4ccccc34)n2)cc1
assistant