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 (2S,3S)-N'-(4,6-dimethylpyrimidin-2-yl)-2-methyl-2,3-dihydro-1,4-benzodioxine-3-carbohydrazide is given. What is its corresponding molecular formula?
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C16H18N4O3
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