You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[4-(4-aminobutanoylamino)phenyl]-2-[[(2S)-1-(benzenesulfonyl)pyrrolidine-2-carbonyl]amino]propanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H30N4O6S
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