You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[(3-methoxyphenyl)methyl]-N-(oxolan-2-ylmethyl)-4-(3-thiophen-2-yl-1,2,4-oxadiazol-5-yl)butanamide into its molecular formula.
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C23H27N3O4S
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