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 N-[5-(2,3-dihydro-1,4-benzodioxin-6-yl)-1,3,4-oxadiazol-2-yl]-5-methyl-1-propan-2-ylpyrazole-3-carboxamide is given. What is its corresponding molecular formula?
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C18H19N5O4
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