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 tert-butyl N-[(2S)-1-[(3-chloro-2-fluorophenyl)methylamino]-3-cyclopropyl-1-oxopropan-2-yl]carbamate ?
user
C18H24ClFN2O3
assistant