You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a organic light-emitting device.
user
Cc1ccc2c(c1)c(-c1cccc3ccncc13)cc1c3ccc(C)c4c3c(cc21)-c1ncccc1-4
assistant