You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R)-1-[1-[6-chloro-1-[3-(trifluoromethyl)phenyl]pyrazolo[3,4-d]pyrimidin-4-yl]azetidin-3-yl]pyrrolidin-3-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H18ClF3N6O
assistant