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 (2R,3R)-1-(6-fluoro-1H-benzimidazol-2-yl)-3-[(2R,4S,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxypentane-1,2,4,5-tetrol ?
user
C18H25FN2O10
assistant