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 (3R)-N-hydroxy-2,2-dimethyl-4-(4-pyridin-4-yloxyphenyl)sulfonylthiomorpholine-3-carboxamide is given. What is its corresponding molecular formula?
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C18H21N3O5S2
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