You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1R)-1-(2-chloropyridin-3-yl)ethyl] N-[5-[5-[[(1R,2S)-2-fluorocyclopropanecarbonyl]amino]pyridin-2-yl]-3-methyltriazol-4-yl]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H19ClFN7O3
assistant