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What is the molecular formula of the molecule identified by 9-(4-tert-butylphenyl)-3-[7-[2-[7'-[2-[7-[9-(4-tert-butylphenyl)carbazol-3-yl]-9,9-dimethylfluoren-2-yl]ethenyl]-9,9'-spirobi[fluorene]-2'-yl]ethenyl]-9,9-dimethylfluoren-2-yl]carbazole ?
user
C103H82N2
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