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-(2,6-dimethylanilino)-2-oxoethyl]-N-methyl-2-[(2S)-2-methylpiperidin-1-ium-1-yl]acetamide is given. What is its corresponding molecular formula?
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C19H30N3O2+
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