You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 4-[3-(4-cyanophenyl)-2,2-dimethyl-3,3a,4,5,6,6a-hexahydro-1H-pentalen-1-yl]benzonitrile ?
user
C24H24N2
assistant