You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2S)-N-[(1S)-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethyl]-2-(4-methoxy-N-methylsulfonylanilino)propanamide .
user
C21H26N2O6S
assistant