You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule methyl 4-[6-[bis[(2-methylpropan-2-yl)oxycarbonyl]amino]pyridin-3-yl]-2-(phenylmethoxycarbonylamino)butanoate .
user
C28H37N3O8
assistant