You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 2-[3-nitro-5-(3-nitro-1,2,4-triazol-1-yl)-1,2,4-triazol-1-yl]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C7H6N8O6
assistant