You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (3-chloro-6-methyl-1-benzothiophen-2-yl)-[(2R)-2-ethylpiperidin-1-yl]methanone is given. What is its corresponding molecular formula?
user
C17H20ClNOS
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