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: The molecule is a organic light-emitting device. Please write the SMILES representation of it.
user
N#Cc1cc(-c2cc(C#N)cc(-n3c4ccc(-c5ccccc5)cc4c4ccc(-c5ccccc5)cc43)c2)cc(-n2c3ccc(-c4ccccc4)cc3c3ccc(-c4ccccc4)cc32)c1
assistant