You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-[4-amino-1-[(3R)-pyrrolidin-3-yl]pyrazolo[3,4-d]pyrimidin-3-yl]phenyl]-3-[3-(trifluoromethyl)phenyl]urea The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H21F3N8O
assistant