You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[8-[[2-[2-[[(2,6-dioxopiperidin-3-yl)amino]methyl]-3-formylphenoxy]acetyl]amino]octyl]-2-methoxyacetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H38N4O7
assistant