You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 3-[[methyl-[1-[(2-methylpropan-2-yl)oxycarbonyl]piperidin-3-yl]amino]methyl]-1-phenylindole-5-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H35N3O4
assistant