You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[4-[2-[2-(2,6-dioxopiperidin-3-yl)-1,3-dioxoisoindol-5-yl]oxyethyl]piperazin-1-yl]-3-methyl-4H-pyridazine-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H29N7O6
assistant