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system
Translate the chemical IUPAC name 12'-ethyl-22'-methylspiro[10H-acridine-9,17'-2-oxaheptacyclo[16.12.0.03,16.04,13.05,10.021,30.024,29]triaconta-1(18),3(16),4(13),5,7,9,11,14,19,21(30),22,24,26,28-tetradecaene]-11',23'-diol into its molecular formula.
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C44H31NO3
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