You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: It belongs to the organic light-emitting class of molecules.
user
C1=c2c(n(-c3cccc(-c4nc(-c5ccccc5)nc(-c5ccccc5)n4)c3)c3cc4c5ccccc5n(-c5cccc(-c6nc(-c7ccccc7)nc(-c7ccccc7)n6)c5)c4cc23)=CC2c3ccccc3N(c3cccc(-c4nc(-c5ccccc5)nc(-c5ccccc5)n4)c3)C12
assistant