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: The molecule is a organic light-emitting device and light-emitting, and it impacts electron transport.
user
c1ccc2c(c1)oc1c(-c3ccc(-n4c5ccccc5c5c6c(ccc54)sc4ccccc46)cc3)cccc12
assistant