You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-methylprop-2-enamide;6-(1-methylpyrazol-4-yl)-4-[(3R)-oxan-3-yl]oxypyrazolo[1,5-a]pyrazine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H24N6O3
assistant