You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-amino-5-[(1,3-dimethylpyrazol-4-yl)amino]-3-methyl-1-propylpyrimidine-2,4-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H20N6O2
assistant