You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-(1-azabicyclo[3.2.1]octan-3-yl)-3-prop-1-ynylthieno[2,3-c]pyridine-5-carboxamide into molecular formula.
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C18H19N3OS
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