You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[(2R)-1-[[(2S)-1-(3-chlorophenyl)propan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]-2-methylpropanamide by IUPAC nomenclature, provide its molecular formula.
user
C24H28ClN3O2
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