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-(3-phenyl-1,2,4-oxadiazol-5-yl)azetidin-1-yl]-(4-pyrrolidin-1-ylsulfonylphenyl)methanone is given. What is its corresponding molecular formula?
user
C22H22N4O4S
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