You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl (1R,15S,17R,18R,19S,20S)-17-(3,5-dimethoxy-4-propylbenzoyl)oxy-6,18-dimethoxy-1,3,11,12,14,15,16,17,18,19,20,21-dodecahydroyohimban-19-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C35H44N2O8
assistant