You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-1-[(3R)-1,1-dioxothiolan-3-yl]-4-hydroxy-2-(4-propan-2-ylphenyl)-3-(thiophene-2-carbonyl)-2H-pyrrol-5-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H23NO5S2
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