You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-[4-[3-[2,6-dichloro-4-(3,3-dichloroprop-2-enoxy)phenoxy]propoxy]phenyl]-5-methylsulfanyltetrazole into molecular formula.
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C20H18Cl4N4O3S
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