You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-(2-methoxyethyl)-3-[1-[(3-methylsulfanylphenyl)methyl]piperidin-4-yl]propanamide is given. What is its corresponding molecular formula?
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C19H30N2O2S
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