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-[(3S)-1,1-dioxothiolan-3-yl]-2,5-dimethylpyrrol-3-yl]-2-piperidin-1-ium-1-ylethanone is given. What is its corresponding molecular formula?
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C17H27N2O3S+
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