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
c1ccc(-c2cccc(C3N=C(c4ccc5oc6ccc7ccc(-n8c9ccccc9c9cc%10ccccc%10cc98)cc7c6c5c4)N=C(c4cccc5ccccc45)N3)c2)cc1
assistant