You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: It belongs to the organic light-emitting device class of molecules. Please write the SMILES representation of it.
user
c1ccc(-c2nc(-c3ccccc3)nc(-c3cccc(-c4cccc5nc6c(nc45)Oc4ccccc4O6)c3)n2)cc1
assistant