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 N-[2-[[(1S,5R)-8-(2-methylpropanoyl)-8-azabicyclo[3.2.1]octan-3-yl]amino]ethyl]benzamide is given. What is its corresponding molecular formula?
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C20H29N3O2
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