You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is electroluminescent and it impacts luminous efficiency. Use the above information to create a molecule.
user
C1=c2c3c(n4c5ccccc5c5ccc6sc7ccc(c3c7c6c54)n2-c2nc3c4ccccc4c4ccccc4c3nc2-c2ccc3c(c2)oc2ccccc23)CC1
assistant