You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1R,2S,9S,10R)-7,15-diazatetracyclo[7.7.1.02,7.010,15]heptadecane-4,8-dione into its molecular formula.
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C15H22N2O2
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