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 3-[2-[3a-[2-[[4-chloro-2-(oxolan-3-yloxy)phenyl]methylamino]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]acetyl]-2-methylcyclobutane-1-carbaldehyde;methane;methanol ?
user
C51H78ClNO6
assistant