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 ethyl 5-[(3-amino-2,2-dimethylpropyl)-methylsulfamoyl]-3-methyl-1-benzofuran-2-carboxylate;hydrochloride is given. What is its corresponding molecular formula?
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C18H27ClN2O5S
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