You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(E)-3-(3,4-dinitrosophenyl)prop-2-enoyl]oxypropyl (4R)-4-(2-acetylhydrazinyl)cyclohexene-1-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H24N4O7
assistant