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: This molecule is a member of the organic light-emitting device class and influences electron transport.
user
c1ccc(-c2nc3ccccc3nc2-c2cccc(-c3cccc(-c4ccc5c(c4)ncc4ccccc45)c3)c2)cc1
assistant