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 organic light-emitting. Please write the SMILES representation of it.
user
c1ccc(-c2nc(-c3ccccc3)c(-c3ccccc3)c(-c3ccc(-c4ccc(-c5cccc6cccnc56)cc4)cc3)n2)cc1
assistant