You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[5-chloro-2-fluoro-3-(1-propan-2-ylpyrazol-3-yl)phenyl]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H21ClFN3O2
assistant