You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: It belongs to the organic light-emitting device class of molecules.
user
c1ccc2c(c1)ccc1nc(-n3c4ccc5cccc6c5c4c4c5c(ccc43)sc3cccc-6c35)c(-c3ccc4c(c3)sc3ccccc34)nc12
assistant