You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[7-(cyclopropylmethoxymethyl)-1-ethyl-5,7-dihydro-4H-pyrazolo[3,4-c]pyridin-6-yl]-(1-methylpyrrol-2-yl)methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H26N4O2
assistant