You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-[2-(2-ethylanilino)-2-oxoethyl]-6-methyl-1-propan-2-ylpyrazolo[3,4-b]pyridine-5-carboxamide ?
user
C21H25N5O2
assistant