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-(5,6-dimethoxy-1,3-benzothiazol-2-yl)-1-thiophen-2-ylsulfonylpyrrolidine-2-carboxamide is given. What is its corresponding molecular formula?
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C18H19N3O5S3
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