You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as cyclobutyl 2-[2-[4-(N-acetyl-4-fluoroanilino)piperidin-1-yl]butyl]-5-methylpyrrolidine-1-carboxylate using the IUPAC nomenclature.
user
C27H40FN3O3
assistant