You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule tert-butyl N-[1-[2-[[1-(5-cyanopyridin-2-yl)-4-methylpyrazol-3-yl]amino]-2-oxoacetyl]-3-(3-fluorophenyl)pyrrolidin-3-yl]carbamate .
user
C27H28FN7O4
assistant