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 [1-(6-fluoro-1,3-benzothiazol-2-yl)azetidin-3-yl] 2-(1,3-dimethyl-2,6-dioxopurin-7-yl)acetate is given. What is its corresponding molecular formula?
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C19H17FN6O4S
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