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 ditert-butyl (4R)-4-(diphenylcarbamoyl)-6-trimethylsilylspiro[2.5]octa-5,7-diene-7,8-dicarboxylate .
user
C34H43NO5Si
assistant