You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (3-methyl-2H-pyrazolo[4,3-b]pyridin-5-yl)-[2-[4-(trifluoromethyl)phenyl]pyrrolidin-1-yl]methanone into molecular formula.
user
C19H17F3N4O
assistant