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 (5R,7S)-N-[3-(2-hydroxyethyl)cyclobutyl]-2,5,7-trimethyl-5,7-dihydro-4H-pyrano[3,4-c]pyrazole-3-carboxamide is given. What is its corresponding molecular formula?
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C16H25N3O3
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