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 3-O-ethyl 5-O-propan-2-yl 2,6-dimethyl-4-(3-methyl-2-methylsulfonylimidazol-4-yl)-1,4-dihydropyridine-3,5-dicarboxylate is given. What is its corresponding molecular formula?
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C19H27N3O6S
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