You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-[(2S,3R,6R)-6-di(propan-2-yloxy)phosphoryl-2-(trityloxymethyl)-3,6-dihydro-2H-pyran-3-yl]-2-oxopyrimidin-4-yl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C42H44N3O7P
assistant