You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(3S)-piperidin-3-yl]-5-propan-2-yl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H19F3N4
assistant