You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(3S,7R)-6-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4,9-dioxo-8-(2-phenylmethoxyethyl)-1,5-dioxonan-7-yl] 2-methylpropanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H37NO9
assistant