You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S,3S,4R,5R)-5-[6-(2,2-diphenylethylamino)-2-[hydroxymethyl(2-phenylethyl)amino]purin-9-yl]-2-(3-ethyl-1,2-oxazol-5-yl)-4-hydroxyoxolan-3-yl] formate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C38H39N7O6
assistant