You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named potassium;carbanide;ethane;3-[3-[ethyl(propyl)amino]propyl-methylamino]cyclobut-3-ene-1,2-dithione is given. What is its corresponding molecular formula?
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C16H31KN2S2
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