You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (3R,4S,5S)-5-[[5-fluoro-2-(5-fluoro-2H-pyrazolo[3,4-b]pyridin-3-yl)pyrrolo[2,1-f][1,2,4]triazin-4-yl]amino]tricyclo[3.2.0.03,6]heptane-4-carboxylic acid .
user
C20H15F2N7O2
assistant