You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(4,6-dimethyl-1H-pyrazolo[3,4-b]pyridin-3-yl)-3-methyl-6-thiophen-2-yl-[1,2]oxazolo[5,4-b]pyridine-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H16N6O2S
assistant