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
c1ccc2c(c1)-c1ccccc1-n1c3ccccc3c3cc4[nH]c5ccccc5c4c-2c31
assistant