You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[7-(3,4-dihydro-1H-isoquinolin-2-ylmethyl)-3,5-dihydro-2H-1,4-benzoxazepin-4-yl]-3,3,3-trifluoropropan-1-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H23F3N2O2
assistant