You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-[(4aR,6R,7R,7aR)-2-[2-[2-(tert-butyldisulfanyl)phenyl]ethoxy]-7-fluoro-7-methyl-2-oxo-4,4a,6,7a-tetrahydrofuro[3,2-d][1,3,2]dioxaphosphinin-6-yl]-6-methoxypurin-2-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H31FN5O6PS2
assistant