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: The molecule is a organic electroluminescent element and belongs to the organic electroluminescent class of molecules, with the characteristic of being electroluminescent.
user
c1ccc2c(c1)oc1ccc(-c3ccc(N(c4ccc(-c5ccc(N(c6ccc(-n7c8ccccc8c8ccccc87)cc6)c6ccc(-n7c8ccccc8c8ccccc87)cc6)cc5)cc4)c4ccc(-c5ccc6oc7ccccc7c6c5)cc4)cc3)cc12
assistant