You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [2-(2-acetylanilino)-2-oxoethyl] 3-[(3aS,7aR)-1,3-dioxo-3a,4,5,6,7,7a-hexahydroisoindol-2-yl]propanoate .
user
C21H24N2O6
assistant