You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2S)-1-[[(2S)-1-amino-1-oxo-3-[(3S)-2-oxopiperidin-3-yl]propan-2-yl]amino]-3-cyclopropyl-1-oxopropan-2-yl]-4-chloro-1H-indole-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H28ClN5O4
assistant