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-(2,5-dichlorophenyl)-5-(1,3-dimethylpyrazol-4-yl)-2-methyl-1,1-dioxo-1,2,6-thiadiazinane-3-carboxamide is given. What is its corresponding molecular formula?
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C16H19Cl2N5O3S
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