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 5-[4-(difluoromethoxy)-3-methoxyphenyl]-6-ethyl-3-(3-morpholin-4-ylpropyl)-6H-1,3,4-thiadiazin-2-one is given. What is its corresponding molecular formula?
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C20H27F2N3O4S
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