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
CC12C=CCN1N(c1ccc3c(c1)Oc1ccccc1-c1ccccc1Oc1cc(-c4ncccn4)ccc1-3)c1ccccc12
assistant