You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-(1-benzothiophene-3-carbonyl)-N-[(3-chlorophenyl)methyl]-2-ethyl-N-(4-hydroxybutyl)azetidine-2-carboxamide into its molecular formula.
user
C26H29ClN2O3S
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