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 1,1-dioxo-N-[(Z)-6,7,8,9-tetrahydrobenzo[7]annulen-5-ylideneamino]thiolane-3-carboxamide is given. What is its corresponding molecular formula?
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C16H20N2O3S
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