You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2S)-2-(dimethylamino)-2-thiophen-3-ylethyl]-1,3-dimethylpyrazolo[3,4-b]pyridine-5-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H21N5OS
assistant