You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as carbanide;2-methyl-2-aza-6-azanidaspiro[3.3]heptane-1,3,5,7-tetrone;yttrium(3+) using the IUPAC nomenclature.
user
C7H6N2O4Y+
assistant