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 a organic electroluminescent device and belongs to the electroluminescent class of molecules. Use the above information to create a molecule.
user
c1ccc(-c2nc(-c3ccccc3)nc(-c3cccc(-n4c5ccc(-c6ccc7c(c6)c6ccccc6n7-c6ccccc6)cc5n5c(-c6ccc7c(c6)c6ccccc6n7-c6cccc(-c7cccc(-c8nc(-n9c%10ccc(-c%11ccc%12c(c%11)c%11ccccc%11n%12-c%11ccccc%11)cc%10n%10c(-c%11ccc%12c(c%11)c%11ccccc%11n%12-c%11ccccc%11)c(-c%11ccccc%11)nc9%10)nc9ccccc89)c7)c6)c(-c6ccccc6)nc45)c3)n2)cc1
assistant