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 1,1-bis[(1R,3S)-1,3-dihydroxybutyl]-3-[(1S,3S)-1,3-dihydroxybutyl]-3-[(1S,3R)-1,3-dihydroxybutyl]thiourea into molecular formula.
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C17H36N2O8S
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