You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is organic light-emitting.
user
c1ccc(-c2nc(-n3c4ccccc4c4c5c6c7ccc(-c8cccc(-c9nc(-n%10c%11ccccc%11c%11c%12c%13c%14ccccc%14ccc%13n%13c%14ccccc%14c(cc%11%10)c%12%13)nc%10c9oc9ccccc9%10)c8)cc7ccc6n6c7ccccc7c(cc43)c56)nc3c2sc2ccccc23)cc1
assistant