You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [(2S)-1-oxo-1-[(2-oxo-1,3-dihydrobenzimidazol-5-yl)amino]propan-2-yl] 2-[(S)-methylsulfinyl]benzoate .
user
C18H17N3O5S
assistant