You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[[(3aR,5aR,5bR,7aR,9S,11aR,11bR,13aS)-3a-[2-[[1-(2-iodoacetyl)azetidin-3-yl]methylamino]ethyl]-5a,5b,8,8,11a-pentamethyl-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3H-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid into molecular formula.
user
C43H67IN2O6
assistant