You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-(4,7-dihydroxy-1,3-benzodithiol-2-ylidene)-1,2-dihexylpyrazolidine-3,5-dione by IUPAC nomenclature, provide its molecular formula.
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C22H30N2O4S2
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