You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
8-methyl-5-[2-[1,3,3-tris[2-(8-methyl-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinolin-5-yl)ethyl]cyclopentyl]ethyl]-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinoline is the IUPAC name of a molecule. Please give its molecular formula.
user
C57H70N4O8
assistant