You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name S-[[2-[2,4-dimethyl-4-(2-methylprop-2-enoylsulfanyl)pentan-2-yl]-1,3-dithiolan-4-yl]methyl] 2-methylprop-2-enethioate into its molecular formula.
user
C19H30O2S4
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