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What is the molecular formula of the compound with this IUPAC name 3-[[(3S)-3-(1,3-benzothiazol-2-yl)piperidin-1-ium-1-yl]methyl]-8-methyl-1,3-diaza-8-azoniaspiro[4.5]decane-2,4-dione ?
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C21H29N5O2S+2
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