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 a organic light-emitting device. Please represent the molecule in SMILES.
user
c1ccc(-c2cccc(-c3ccc4c(c3)c3ccccc3c3c5ccc(-c6ccccc6)cc5oc43)c2)cc1
assistant