You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[1-[1,1-dideuterio-2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]pyridin-1-ium-2-yl]propanoic acid into its molecular formula.
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C14H20NO4+
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