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 device class of molecules.
user
CC(=Cc1ccc(-c2c3ccccc3c(-c3cccc4ccccc34)c3ccccc23)cc1C)c1ccc2c(c1)C(C)(C)c1ccc3ccc4oc5ccccc5c4c3c1-2
assistant