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-[(4R)-4-(3,4-dihydro-1H-isoquinolin-2-ylmethyl)-4-hydroxyazepan-1-yl]-2-oxoethyl]methanesulfonamide is given. What is its corresponding molecular formula?
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C19H29N3O4S
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