You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a light-emitting device and is organic light-emitting.
user
c1ccc(-c2nnc(-c3cccc(-c4ccc5c(c4)-c4ccccc4C54c5ccccc5Sc5ccc(-c6ccc7c(c6)oc6ccccc67)cc54)c3)c(-c3ccccc3)n2)cc1
assistant