You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The organic light-emitting device molecule is electroluminescent and has an effect on electroluminescent device. Please represent the molecule in SMILES.
user
c1ccc(-c2nc(-c3ccccc3)nc(-c3ccc(-c4cccc5c6c(c(-c7ccccc7)nc45)SC4C6c5ccccc5N4c4ccccc4)cc3)n2)cc1
assistant