You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl N-[(2R)-2-[(3S)-3-(1,3-benzothiazol-2-yl)piperidin-1-yl]propanoyl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H21N3O3S
assistant