You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R,3R,4R)-5-[6-[[(3R)-oxolan-3-yl]amino]purin-9-yl]-3,4-bis[(2-phenylmethoxyacetyl)oxy]oxolan-2-yl]methyl 2-phenylmethoxyacetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C41H43N5O11
assistant