You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[3-[6-[3-(5-acetyl-1,3-dioxoisoindol-2-yl)phenyl]-4-[3-(2-methoxyethoxy)-4-(methoxymethoxymethyl)phenyl]pyridin-2-yl]phenyl]-1,3-dioxoisoindole-5-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C48H37N3O11
assistant