You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 5-[4-(2-methylprop-1-enyl)-2-phenylmethoxyphenyl]-1,1-dioxo-1,2,5-thiadiazolidin-3-one into molecular formula.
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C19H20N2O4S
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