You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance strontium;bis(trimethylsilyl)azanide;[3,6-ditert-butyl-8-[[2,6-di(propan-2-yl)phenyl]azaniumylidenemethyl]carbazol-9-id-1-yl]methylidene-[2,6-di(propan-2-yl)phenyl]azanium;oxolane .
user
C56H86N4OSi2Sr+2
assistant