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 N-[3-[(2S)-2-ethylpiperidin-1-yl]propyl]-5-methyl-4-oxothieno[3,2-c]quinoline-2-carboxamide is given. What is its corresponding molecular formula?
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C23H29N3O2S
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