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
CN1C(c2cccc(-c3ccccc3)c2)=NC(C2=CCC(n3c4ccccc4c4ccc5ccccc5c43)C=C2)=NC1c1ccccc1
assistant