You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[[2-[[(3-acetamidophenyl)-pentylcarbamoyl]amino]-1,3-thiazol-5-yl]sulfanyl]acetic acid by IUPAC nomenclature, provide its molecular formula.
user
C19H24N4O4S2
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