You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-(1-phenylethyl)-2-[[5-[(E)-2-thiophen-2-ylethenyl]-1H-1,2,4-triazol-3-yl]sulfanyl]acetamide is given. What is its corresponding molecular formula?
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C18H18N4OS2
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