You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [4-[(3S,4S)-1-(4-chlorobenzoyl)-4-hydroxypyrrolidin-3-yl]piperazin-1-yl]-methylborinic acid into molecular formula.
user
C16H23BClN3O3
assistant