You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-2-[[6-(6-chloro-3,4-dihydro-1H-isoquinolin-2-yl)-2-propan-2-ylpyrimidin-4-yl]amino]propan-1-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H25ClN4O
assistant