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 [5-[[2-(2-cyanopyrrolidin-1-yl)-2-oxoethyl]amino]-1,2,3,3a,4,5,6,6a-octahydropentalen-2-yl] acetate;hydrochloride is given. What is its corresponding molecular formula?
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C17H26ClN3O3
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