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(C2=Nc3nc(-n4c5ccccc5c5c4ccc4c6ccccc6n(-c6ccccc6)c45)n(-c4ccccc4)c3NC2n2c3ccccc3c3c4c(ccc32)c2ccccc2n4-c2ccccc2)cc1
assistant