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 (1R,2R)-2-(2-chlorophenyl)-N-[(2S,3S)-2-methyl-1,1-dioxothiolan-3-yl]cyclopropane-1-carboxamide is given. What is its corresponding molecular formula?
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C15H18ClNO3S
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