You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-(1,3-benzodioxol-5-ylmethyl)-4-(5-ethyl-3-methyl-1,2-oxazol-4-yl)-5-pyrazin-2-ylpyrimidin-2-amine into its molecular formula.
user
C22H20N6O3
assistant