You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (2S)-2-[[2-[N-(dimethylsulfamoyl)-4-fluoroanilino]acetyl]-[(4-fluorophenyl)methyl]amino]-N-methylbutanamide is given. What is its corresponding molecular formula?
user
C22H28F2N4O4S
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