You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-amino-1-[5-(2,2-dimethylpropyl)-3-methoxy-4-[(2-methylpropan-2-yl)oxy]oxolan-2-yl]-5-methylpyrimidin-2-one by IUPAC nomenclature, provide its molecular formula.
user
C19H33N3O4
assistant