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: The molecule is a organic light-emitting device and belongs to the organic light-emitting class of molecules.
user
c1ccc(-n2c(-c3ccc(-c4cccc5c4C4(c6ccccc6-5)c5ccccc5-c5c4cc4c6c(cccc56)-c5ccccc5-4)cc3)nc3ccccc32)cc1
assistant