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(-n3c4cccc5c4c4c6c(cc(N(c7ccccc7)c7ccccc7-c7ccccc7)cc6ccc43)C53c4ccccc4-c4ccccc43)c2)cc1
assistant