You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[[4-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N-(2-methylpropyl)-N-propan-2-ylacetamide into molecular formula.
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C18H26N4O2S
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