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 2-[[[(3aR,4R,6R,6aR)-4-(2,4-dioxopyrimidin-1-yl)-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]-cyanomethyl]amino]acetate .
user
C15H17N4O7-
assistant