You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(3R)-1,1-dioxothiolan-3-yl]-N-(2-methyl-1,3-benzothiazol-6-yl)-6-oxo-4,5-dihydropyridazine-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H18N4O4S2
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