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 member of the delayed fluorescence class.
user
c1ccc2c(c1)Oc1ccccc1N2c1ccc(-c2nc(-c3ccc(N4c5ccccc5Oc5ccccc54)cc3)n(-c3cccc4ccccc34)n2)cc1
assistant