You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R)-1-(6-bromopyridin-2-yl)-4-cyclopentyl-3-(4-methylsulfonylphenyl)butan-2-one;(3R)-4-cyclopentyl-1-(6-diethoxyphosphorylpyridin-2-yl)-3-(4-methylsulfonylphenyl)butan-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C46H58BrN2O9PS2
assistant