You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-amino-2-(methylamino)-N-[4-[(4-methyl-2-oxochromen-7-yl)oxymethyl]phenyl]pentanamide;4-(4-amino-2-methylbutan-2-yl)oxy-2,2-dimethyl-N-(3-methyl-1-oxobutan-2-yl)butanamide;ethane;formamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C43H71N7O9
assistant