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 methyl (2S,4S)-1-(4-nitrophenyl)sulfonyl-4-prop-2-enyl-3,4-dihydro-2H-pyridine-2-carboxylate is given. What is its corresponding molecular formula?
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C16H18N2O6S
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