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)c1ccccc1n2-c1ccc2c(c1)c1ccccc1n2-c1ccc2c(c1)c1ccccc1n2-c1ccc2c(c1)oc1ccncc12
assistant