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 3,4-dihydro-[1,3,4]thiadiazolo[2,3-c][1,2,4]thiadiazine 2,2-dioxide is given. What is its corresponding molecular formula?
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C4H5N3O2S2
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