You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(4-bromophenyl)-N-[(1S)-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethyl]methanesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H18BrNO4S
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