You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: It belongs to the organic light-emitting device class of molecules.
user
c1ccc2c(c1)oc1ccc(-c3cc4c5cc(-c6ccc7oc8ccccc8c7c6)c6c(ccc7oc8ccccc8c76)c5sc4c4ccc5oc6ccccc6c5c34)cc12
assistant