You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[[3a-[1-hydroxy-2-(pyridin-2-ylmethylamino)ethyl]-5b,8,8,11a-tetramethyl-2-oxo-1-propan-2-yl-3,4,5,5a,6,7,7a,9,10,11,11b,12,13,13a-tetradecahydrocyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C42H62N2O6
assistant