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 ethyl 1-[(3-cyano-4,6-dimethyl-2-sulfanylidenepyridin-1-yl)methyl]piperidin-1-ium-4-carboxylate is given. What is its corresponding molecular formula?
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C17H24N3O2S+
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