You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[2-(1,3-benzothiazol-2-yl)piperidin-1-yl]-1-(3,4-dihydro-2H-quinolin-1-yl)ethanone by IUPAC nomenclature, provide its molecular formula.
user
C23H25N3OS
assistant