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 (4R)-2,2,3,3,4,5-hexadeuterio-5-[dideuterio-[(2,2-dideuterio-1,3-benzodioxol-5-yl)oxy]methyl]-4-(2,3,5,6-tetradeuterio-4-fluorophenyl)piperidine into molecular formula.
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C19H20FNO3
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