You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 15-[3-(4,6-diphenyl-1,3,5-triazinan-2-yl)phenyl]-26-phenyl-10-oxa-15,26-diazaheptacyclo[14.11.0.02,14.03,11.04,9.019,27.020,25]heptacosa-1(16),2(14),3(11),4,6,8,12,17,19(27),20,22,24-dodecaene by IUPAC nomenclature, provide its molecular formula.
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C51H37N5O
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