You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-[4-(2,5-dimethylthiophen-3-yl)sulfonylpiperazine-1-carbonyl]-3,4-dimethyl-1H-pyridazin-6-one into its molecular formula.
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C17H22N4O4S2
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