You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[(1,3-dimethylpyrazolo[3,4-b]pyridin-5-yl)methyl]-2-ethyl-2-methylsulfanylbutan-1-amine .
user
C16H26N4S
assistant