You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1R,3S)-3-amino-N-[(2R)-3-(4-chlorophenyl)-1-[4-[2-(methanesulfonamido)phenyl]piperidin-1-yl]-1-oxopropan-2-yl]cyclopentane-1-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H35ClN4O4S
assistant