You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[3-[2-[(2-methylpropan-2-yl)oxycarbonylamino]-1,3-benzothiazol-6-yl]propanoylamino]benzoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H23N3O5S
assistant