You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance tert-butyl 4-[5-[2-(2-carbamoylphenoxy)ethyl]-2-fluorobenzoyl]piperazine-1-carboxylate;ethane .
user
C27H36FN3O5
assistant