You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 6-chloro-N-[(1S,2R)-2-[[(1S)-1-cyano-3-methylsulfonylpropyl]carbamoyl]cyclohexyl]-1-methylindole-2-carboxamide .
user
C22H27ClN4O4S
assistant