You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 6-(2-oxa-9,11,12-triazatetracyclo[8.6.1.03,8.013,17]heptadeca-1(16),3,5,7,10,13(17),14-heptaen-15-yl)pyrimidine-2,4-diamine into its molecular formula.
user
C17H13N7O
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