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-[4-[(1S)-1-[(4-methyl-1,2,4-triazolidin-3-yl)sulfanyl]ethyl]piperidin-2-yl]-2,3,3a,4,5,6,7,7a-octahydro-1,2-benzoxazole-3-carboxamide into molecular formula.
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C18H34N6O2S
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