You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-(1H-pyrazolo[3,4-d]pyrimidin-4-ylsulfanyl)phenyl]-3-[3-(trifluoromethyl)phenyl]urea The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H13F3N6OS
assistant