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Translate the chemical IUPAC name O-[2-[2-[(4-chloro-1,1-dioxothiolan-3-yl)carbamothioyloxy]ethyl-methylamino]ethyl] N-(4-chloro-1,1-dioxothiolan-3-yl)carbamothioate into its molecular formula.
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C15H25Cl2N3O6S4
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