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: The molecule is a organic light-emitting member of the delayed fluorescence class.
user
O=c1c2cc3oc4ccccc4c3cc2[nH]c2c1c1[nH]c3cc4c(cc3c(=O)c1c1[nH]c3cc5c(cc3c(=O)c21)oc1ccccc15)oc1ccccc14
assistant