You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [2-methyl-2-(2,4,8,10-tetraoxaspiro[5.5]undecan-5-yl)propyl] 5,5,5-tris[(1,2,2,6,6-pentamethylpiperidin-4-yl)oxycarbonyloxy]pentanoate .
user
C49H85N3O15
assistant