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 diode class of molecules. Please represent the molecule in SMILES.
user
c1ccc(-c2nc(-c3ccccc3)nc(-c3cccc(-c4cccc5c4oc4c(-c6nc7ccccc7n6-c6ccccc6)cccc45)c3)n2)cc1
assistant