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 [(4R,4aR,7S,7aR,12bS)-3-acetyl-9-acetyloxy-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-yl] acetate is given. What is its corresponding molecular formula?
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C22H23NO6
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