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: It belongs to the organic light-emitting class of molecules.
user
c1ccc(-n2c3ccccc3c3ccc(-n4c5ccccc5c5c6c(ccc54)C4(c5ccccc5S6)c5ccccc5-n5c6ccccc6c6cccc4c65)cc32)cc1
assistant