You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance sodium;2-[[4-[2-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]ethoxy]-3-methylpyridin-2-yl]methylsulfinyl]benzimidazol-1-ide .
user
C21H24N3NaO4S
assistant