You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1,1,1,2,2,3,3,4,4,5,5,6,6,12,12,13,13,14,14,15,15,16,16,17,17,17-hexacosafluoro-9-[(2S)-pyrrolidin-2-yl]heptadecan-9-ol ?
user
C21H17F26NO
assistant