You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-chloro-N-[4-chloro-3-[(3R)-1-methylpyrrolidin-3-yl]oxyphenyl]-5-[3-(trifluoromethyl)phenyl]thiophene-2-sulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H19Cl2F3N2O3S2
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