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: It belongs to the organic light-emitting device class of molecules. Please represent the molecule in SMILES.
user
c1ccc(-c2nc3cc4oc5cc(N(c6ccccc6)c6ccc7ccccc7c6)ccc5c4cc3o2)cc1
assistant