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What is the molecular formula of the molecule identified by 15-phenyl-19-[4-(3-phenyl-3,4-dihydroquinoxalin-2-yl)phenyl]-4-thia-15,19-diazaheptacyclo[14.11.0.02,14.03,11.05,10.018,26.020,25]heptacosa-1(16),2(14),3(11),5,7,9,12,17,20,22,24,26-dodecaene ?
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C50H32N4S
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