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Convert the IUPAC name of a molecule 8,15-diphenyl-6-pyridin-4-yl-1,14-diaza-8lambda5-phosphatetracyclo[7.6.1.02,7.013,16]hexadeca-2,4,6,9,11,13(16),14-heptaene 8-oxide into molecular formula.
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C30H20N3OP
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