You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[(2S)-1-[4-(2-oxo-3H-benzimidazol-1-yl)piperidin-1-yl]propan-2-yl]-1-benzothiophene-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C24H26N4O2S
assistant