You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: It belongs to the light-emitting class of molecules.
user
C1=c2ccccc2=CC(c2ccc3c4ccccc4n(-c4ccc(-c5cccnc5)cc4)c3c2)C1
assistant