You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S,3aR,6aS)-2-(3-chloro-4H-thieno[3,2-b]pyrrole-5-carbonyl)-N-[(1R)-1-cyano-2-[(3S)-2-oxopiperidin-3-yl]ethyl]-5,5-difluoro-1,3,3a,4,6,6a-hexahydrocyclopenta[c]pyrrole-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H24ClF2N5O3S
assistant