You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named prop-2-enyl (4S)-6-[2-(5-chloro-2-methylanilino)-2-oxoethyl]sulfanyl-5-cyano-4-(4-hydroxy-3-methoxyphenyl)-2-methyl-1,4-dihydropyridine-3-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C27H26ClN3O5S
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