You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-[5-[2-[(5-ethyl-1,3,4-thiadiazol-2-yl)amino]-2-oxoethyl]sulfanyl-4-methyl-1,2,4-triazol-3-yl]ethyl]-4-methoxybenzamide into its molecular formula.
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C19H23N7O3S2
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