You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule tert-butyl N-[(2S,3R,5S)-6-(butylamino)-3-hydroxy-5-methyl-6-oxo-1-(3-prop-2-enoxyphenyl)hexan-2-yl]carbamate ?
user
C25H40N2O5
assistant