You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named tert-butyl N-[(5S)-5-(9H-fluoren-9-ylmethoxycarbonylamino)-9-(methylamino)-6-oxononyl]carbamate by IUPAC nomenclature, provide its molecular formula.
user
C30H41N3O5
assistant