You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-[1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2,4-dioxopyrimidin-5-yl]-N-[4-[[2-(5-methyl-2-oxo-4-sulfanylidenepyrimidin-1-yl)acetyl]amino]butyl]propanamide .
user
C23H32N6O9S
assistant