You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 5-methyl-4-[[5-methyl-2-(6-methyl-2-methylsulfanylpyrimidin-4-yl)-3-oxo-1H-pyrazol-4-yl]methyl]-2-(6-methyl-2-methylsulfanylpyrimidin-4-yl)-1H-pyrazol-3-one ?
user
C21H24N8O2S2
assistant