You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name (3S)-3-[4-[(3-methoxypyrrolidin-1-yl)methyl]phenyl]-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine into its molecular formula.
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C19H22N2O3
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