You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(3R)-1-azabicyclo[2.2.2]octan-3-yl]-5-[(4-methyl-1,3-thiazol-2-yl)sulfanyl]thiophene-2-carboxamide into molecular formula.
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C16H19N3OS3
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