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What is the molecular formula of the molecule identified by tert-butyl 4-[2-(1,1-dioxospiro[2,3-dihydropyrido[2,3-b][1,4,5]oxathiazepine-4,4'-oxane]-7-yl)oxyethyl]piperidine-1-carboxylate ?
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C23H35N3O7S
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