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: The molecule is a organic light-emitting device.
user
c1c(N(c2ccc3ccccc3c2)C2CCCC(c3ccccc3)C2)cc2c(c#1)-c1cccc3c1C21c2ccccc2-c2cccc-3c21
assistant