You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-chloro-2-[2-[(1S)-1-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydro-1H-isoquinolin-2-yl]-2-oxoethyl]benzonitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H28BClN2O3
assistant