You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1,2,3,4,4a,5,6,7,8,8a-decahydronaphthalene;2,3,3a,4,5,6,7,7a-octahydro-1H-indene;1,2,3,3a,4,5,6,6a-octahydropentalene;adamantane;benzene;bicyclo[3.3.2]decane;bicyclo[2.2.1]heptane;bicyclo[4.1.0]heptane;bicyclo[2.1.1]hexane;bicyclo[3.2.2]nonane;bicyclo[3.3.1]nonane;bicyclo[2.2.2]octane;bicyclo[3.2.1]octane;bicyclo[4.2.0]octane;cycloheptane;cyclohexa-1,3-diene;cyclohexa-1,4-diene;cyclohexane;cyclohexene;cyclooctane;cyclopenta-1,3-diene;cyclopentane;cyclopentene;cyclopropane;2,3-dihydro-1H-indene;naphthalene;spiro[4.5]decane;spiro[4.4]nonane;spiro[2.5]octane;spiro[5.5]undecane;4,5,6,7-tetrahydro-1H-indene;1,2,3,4-tetrahydronaphthalene by IUPAC nomenclature, provide its molecular formula.
user
C248H404
assistant