You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3aR,4R,6S,7R,7aS)-4-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-2,2-dimethyl-7-(4-nitrophenoxy)-6-phenyl-3a,4,7,7a-tetrahydro-[1,3]dioxolo[4,5-d]oxaphosphinine 6-oxide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H28NO9P
assistant