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 tert-butyl (3R)-3-[(2,4-dichlorophenyl)methyl-methylcarbamoyl]piperidine-1-carboxylate is given. What is its corresponding molecular formula?
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C19H26Cl2N2O3
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