You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a member of the organic light-emitting device class and affects luminous efficiency.
user
O=c1c2cc(-n3c4ccccc4c4ccccc43)ccc2oc2cc3oc4ccc(-n5c6ccccc6c6ccccc65)cc4c(=O)c3cc12
assistant