You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? The molecule is a organic electroluminescent device and phosphorescent, belonging to the high luminous efficiency class of molecules, and is electroluminescent.
user
C1=Cc2ccc(N(c3ccc4ccccc4c3)c3ccc4c(-c5ccc6c(ccc7ccccc76)c5)c5cc(N(c6ccc7ccccc7c6)c6ccc7ccccc7c6)ccc5c(C5=CC=C6c7ccccc7C=CC6C5)c4c3)cc2CC1
assistant