You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a organic light-emitting device that impacts electron transport.
user
c1ccc(-n2cnc3c(-n4c5ccccc5c5ccc6c7ccccc7oc6c54)cccc32)cc1
assistant