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(-c2ccc(-c3ccccc3)c(N(c3ccc(-c4cc5ccccc5c5ccccc45)cc3)c3cccc(-c4ccc5ccccc5c4)c3)c2)cc1
assistant