You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 3-[(2S,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]-3-hydroxyprop-2-enoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H14N2O8
assistant