You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named ethyl (5S,6R)-2-ethoxycarbonylimino-4-hydroxy-8,9-dimethyl-6-oxo-1,6lambda4-dithiaspiro[4.5]deca-3,8-diene-3-carboxylate is given. What is its corresponding molecular formula?
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C16H21NO6S2
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