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 2-(4a-hydroxy-1,3,4,5,6,7,8,8a-octahydroisoquinolin-2-yl)-5-aminobenzamide is given. What is its corresponding molecular formula?
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C16H23N3O2
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