You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: This molecule is a member of the organic light-emitting device class and influences electron transport.
user
CC1(C)CC2CCCC(C)(C)N2c2ccc3cc(-c4nc5ccccc5s4)c(=O)oc3c21
assistant