You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S)-3-[4-[(4-chlorophenyl)methyl]piperazin-1-yl]-1-(4-propoxyphenyl)pyrrolidine-2,5-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H28ClN3O3
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