You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-[2-[4-[(3S,4R)-1-tert-butyl-4-(2,4-difluorophenyl)pyrrolidine-3-carbonyl]piperazin-1-yl]-5-chloro-4-methylphenyl]ethyl]-N-propan-2-ylacetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H45ClF2N4O2
assistant