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-[2-(6,7-dihydro-4H-pyrano[4,3-c]pyrazol-1-yl)ethyl]-1,3,5-trimethylpyrazole-4-sulfonamide is given. What is its corresponding molecular formula?
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C14H21N5O3S
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