You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[1-[tert-butyl-[2-oxo-2-(pentylamino)-1-phenylethyl]amino]-3-hydroxy-1-oxopropan-2-yl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H41N3O5
assistant