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-[1-(1,1-dioxo-1,4-thiazinan-4-yl)-1-oxopropan-2-yl]-3,6,6-trimethyl-4-oxo-5,7-dihydro-1-benzofuran-2-carboxamide is given. What is its corresponding molecular formula?
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C19H26N2O6S
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