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 1-(2-methylpropanoyloxy)ethyl (3R)-3-acetamido-2-hydroxy-3,4-dihydro-1,2-benzoxaborinine-8-carboxylate .
user
C17H22BNO7
assistant