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 benzyl 7-hydroxy-2-methylspiro[6,7-dihydropyrano[3,2-c]pyrazole-5,4'-piperidine]-1'-carboxylate is given. What is its corresponding molecular formula?
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C19H23N3O4
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