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-[(piperidin-4-ylideneamino)oxy-[4-(trifluoromethoxy)phenyl]sulfonylmethyl]benzonitrile is given. What is its corresponding molecular formula?
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C20H18F3N3O4S
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