You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is light-emitting and organic light-emitting. Please represent the molecule in SMILES.
user
c1ccc2cc(-c3nc(-c4ccc(-c5nc6ccccc6c6c5ccc5ccccc56)nc4)nc(-c4ccc5ccccc5c4)n3)ccc2c1
assistant