You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(furan-2-ylmethyl)-N-(4-propan-2-yl-1,3-benzothiazol-2-yl)-2,3-dihydro-1,4-dioxine-5-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H20N2O4S
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