You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (9S)-9-(4-nitrophenyl)-5,6,7,9-tetrahydro-4H-tetrazolo[5,1-b]quinazolin-8-one is given. What is its corresponding molecular formula?
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C14H12N6O3
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