You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule propan-2-yloxycarbonyloxymethyl (3R)-7-fluoro-2-hydroxy-3-(3-methylsulfanyl-2-oxopropyl)-3,4-dihydro-1,2-benzoxaborinine-8-carboxylate into molecular formula.
user
C18H22BFO8S
assistant