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 spiro[4.5]decane;spiro[5.6]dodecane;spiro[3.3]heptane;spiro[2.3]hexane;spiro[3.5]nonane;spiro[4.4]nonane;spiro[3.4]octane;spiro[4.6]undecane;spiro[5.5]undecane using the IUPAC nomenclature.
user
C83H148
assistant