You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[9-[(2R,4S,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-[2-cyanoethoxy(sulfido)phosphinothioyl]oxyoxolan-2-yl]-6-oxo-1H-purin-2-yl]-2-methylpropanamide into its molecular formula.
user
C38H40N6O8PS2-
assistant