You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-[2-[3-[[2-(4-chlorophenyl)acetyl]amino]phenyl]sulfanylbutanoylamino]-2-hydroxybenzoic acid by IUPAC nomenclature, provide its molecular formula.
user
C25H23ClN2O5S
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