You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 4-(9H-fluoren-9-ylmethoxycarbonylamino)-5-[2-[2-[2-[(2-methylpropan-2-yl)oxycarbonylamino]ethoxy]ethoxy]ethylamino]-5-oxopentanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C35H49N3O9
assistant