You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-chloro-N-(2-cyclobutyl-1-cyclopropyl-3-methylsulfonylpropan-2-yl)-4-(trifluoromethyl)benzamide into molecular formula.
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C19H23ClF3NO3S
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