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 electroluminescent that affects both improved luminous efficiency and organic electroluminescence and is characterized as fluorescent.
user
c1ccc(-c2ccc3c(c2)c2ccccc2n3-c2ccc(-c3ccc(-n4c5ccccc5c5ccc6sc7ccccc7c6c54)cc3)cc2)cc1
assistant