You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[9-[(4S,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]-8-(4-cyanobutylsulfanyl)purin-6-yl]-2,2-diphenylacetamide into its molecular formula.
user
C59H65N8O7PS
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