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Under IUPAC nomenclature, a molecule named 6-[4-[4-(3,5-diphenylphenyl)-6-(4-phenylphenyl)-1,3,5-triazin-2-yl]-2,6-diphenylphenyl]-24-phenyl-15-oxa-6,24-diazaheptacyclo[14.11.0.02,14.05,13.07,12.017,25.018,23]heptacosa-1(16),2(14),3,5(13),7,9,11,17(25),18,20,22,26-dodecaene is given. What is its corresponding molecular formula?
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C81H51N5O
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