You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[(4-methoxyphenyl)methyl-[2-(1,1,3-trioxo-1,2-benzothiazol-2-yl)acetyl]amino]-N-propylpropanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H27N3O6S
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