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: It belongs to the light-emitting class of molecules.
user
c1ccc(-c2nc3c(-c4ccccc4)ccc(-c4ccccc4)c3nc2-c2ccc(N(c3ccccc3)c3ccc(-c4cn5ccccc5n4)cc3)cc2)cc1
assistant