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What is the molecular formula of the compound with this IUPAC name 3-(7-methyl-3-phenanthren-3-ylquinoxalin-2-yl)-7-(9-phenylcarbazol-3-yl)-28-thia-3-azaheptacyclo[15.11.0.02,10.04,9.011,16.018,27.019,24]octacosa-1(17),2(10),4(9),5,7,11,13,15,18(27),19,21,23,25-tridecaene ?
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C67H40N4S
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