You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-(3,4-dimethoxyphenyl)-2-[[2-(2,3-dioxoindol-1-yl)acetyl]-[(4-methoxyphenyl)methyl]amino]-N-(4-methoxyphenyl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C35H33N3O8
assistant