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-amino-N-[4-(tert-butylsulfonylmethyl)phenyl]-2-(oxan-4-yl)acetamide;hydrochloride is given. What is its corresponding molecular formula?
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C18H29ClN2O4S
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