You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
propan-2-yl (2S)-2-[[(4aR,6R,7R,7aR)-6-(2-amino-6-ethoxypurin-9-yl)-7-hydroxy-7-methyl-2-oxo-4,4a,6,7a-tetrahydrofuro[3,2-d][1,3,2]dioxaphosphinin-2-yl]amino]propanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C38H58N12O16P2
assistant