You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 3-[29,33,37-tris(3-acetyloxypropyl)-6,12,18,39-tetrakis(pyrazin-1-ium-1-ylmethyl)-2,4,8,10,14,16,20,22-octaoxanonacyclo[21.15.1.124,38.05,36.07,34.011,32.013,30.017,28.019,26]tetraconta-1(38),5,7(34),11(32),12,17(28),18,23(39),24(40),26,30,35-dodecaen-25-yl]propyl acetate into molecular formula.
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C72H76N8O16+4
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