You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[2-(3,5-dioxotriazolidin-3-ium-4-yl)ethyl]-1-oxotriazolidin-1-ium-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C6H10N6O4+2
assistant