You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-azido-N-[2-(3-methyl-2,6-dioxopiperidin-3-yl)-1,3-dioxoisoindol-4-yl]acetamide by IUPAC nomenclature, provide its molecular formula.
user
C16H14N6O5
assistant