You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[9-[(1R,2S,3R,4S)-4-(deuteriomethyl)-3-[[di(propan-2-yl)amino]-(2-isocyanoethoxy)phosphanyl]oxy-2-methoxycyclopentyl]-6-oxo-1H-purin-2-yl]-2-methylpropanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H40N7O5P
assistant