You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R)-3-[4-(2,5-dimethylphenyl)piperazin-1-yl]-1-(4-ethoxyphenyl)pyrrolidine-2,5-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H29N3O3
assistant