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 (2E,4E)-5-(cyanomethylsulfanyl)-4-pyridin-1-ium-1-yl-5-sulfanylpenta-2,4-dienoate is given. What is its corresponding molecular formula?
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C14H15N2O2S2+
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