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What is the molecular formula of the compound with this IUPAC name zinc;6,16,24,34-tetrakis(pyridin-1-ium-1-ylmethyl)-2,11,20,29,37,38,39,40-octazanonacyclo[28.6.1.13,10.112,19.121,28.04,9.013,18.022,27.031,36]tetraconta-1,3,5,7,9,11,13(18),14,16,19(39),20,22(27),23,25,28,30(37),31(36),32,34-nonadecaene ?
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C56H42N12Zn+6
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