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 N'-[2-[(2S,6R)-6-[4-[6-[5-[(4S)-4-aminopentyl]-3-chloro-2-fluorophenyl]-2-oxo-7H-pyrrolo[2,3-d]pyrimidin-3-yl]phenyl]piperazin-2-yl]ethyl]-2-fluoroethanimidamide .
user
C31H37ClF2N8O
assistant