You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[[4-(furan-2-ylmethyl)-5-pyrrolidin-1-yl-1,2,4-triazol-3-yl]sulfanyl]-N-[(2-methoxyphenyl)methyl]acetamide into its molecular formula.
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C21H25N5O3S
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