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 optoelectronic device and belongs to the electroluminescent class of molecules, with the characteristic of being phosphorescent.
user
Cc1ccc2c(n1)oc1c(C3C4CN(c5ccccc54)C3C)c(C)ccc12
assistant