You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
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Give me a molecule that satisfies the conditions outlined in the description: The organic electronic device molecule is luminescent and has an effect on electroluminescent device. The molecule is a phosphorescent and belongs to the high luminous efficiency class of molecules, known to have an effect on delayed fluorescence and is characterized as electroluminescent.
user