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 N-[(1R)-1-(1-methylbenzimidazol-2-yl)-3-methylsulfanylpropyl]-2-(3-oxo-5,6,7,8-tetrahydrocinnolin-2-yl)acetamide .
user
C22H27N5O2S
assistant