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What is the molecular formula of the molecule 11-phenyl-12-[3-phenyl-4-[(5E)-2-phenyl-6-(11-phenylindolo[2,3-a]carbazol-12-yl)hexa-1,5-dien-3-yl]phenyl]indolo[2,3-a]carbazole ?
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C72H50N4
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