You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-4-[(2S,3S,4R,5S,6R)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]butyl] acetate into its molecular formula.
user
C45H55NO9
assistant