You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[7-(8-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-1(16),2,4,6,9(17),10,12,14-octaen-12-yl)phenanthren-2-yl]-2,6-diphenylpyrimidine into its molecular formula.
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C46H28N2O
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