You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name N,N-dimethylpropan-1-amine;ethane;methyl 4-[3a-[2-[2-(dimethylamino)ethylamino]-1-hydroxyethyl]-5b,8,8,11a-tetramethyl-2-oxo-1-propan-2-yl-3,4,5,5a,6,7,7a,11,11b,12,13,13a-dodecahydrocyclopenta[a]chrysen-9-yl]benzoate ?
user
C49H81N3O4
assistant