You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[8-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-9-[(2R,4S)-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]purin-6-yl]benzamide into its molecular formula.
user
C47H52N7O7P
assistant