You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4,6-bis(methoxymethyl)-1-(2-methylpropyl)-3-(4-propan-2-yloxybut-2-enoxymethyl)-3a,6a-dipropylimidazo[4,5-d]imidazole-2,5-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H48N4O6
assistant