You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 9-(4,6-diphenylpyridin-2-yl)-24-phenyl-9-aza-24lambda5-phosphahexacyclo[11.11.0.02,10.03,8.014,23.015,20]tetracosa-1(13),2(10),3,5,7,11,14(23),15,17,19,21-undecaene 24-oxide by IUPAC nomenclature, provide its molecular formula.
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C45H29N2OP
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