You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[2-chloro-4-(2-methylpropylsulfamoyl)phenoxy]-N-[(2S)-4-phenylbutan-2-yl]acetamide by IUPAC nomenclature, provide its molecular formula.
user
C22H29ClN2O4S
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