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 4-[(3R,4R,5R)-2-[(2S)-1-diethoxyphosphorylpropan-2-yl]-4-(2-methoxyethoxy)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl]oxy-4-oxobutanoic acid .
user
C23H37N2O12P
assistant