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-[(2R,3R)-2-(3-methoxyphenyl)-1-(4-methoxyphenyl)-4-oxoazetidin-3-yl]isoindole-1,3-dione .
user
C25H20N2O5
assistant