You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The light-emitting molecule has an effect on low driving voltage.
user
Cc1cc(-c2ccccc2)c2nc(-c3ccc(-c4ccc(-c5nnc(-c6ccccc6)o5)cc4)cc3)c(-c3ccc(-c4ccc(-c5nnc(-c6ccccc6)o5)cc4)cc3)nc2c1-c1ccccc1
assistant