You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl (7S)-1-benzylimino-7-[[tert-butyl(diphenyl)silyl]oxymethyl]-3-(3-phenylmethoxypropyl)-6,7-dihydro-5H-pyrrolo[1,2-c]pyrimidine-4-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C43H49N3O4Si
assistant