You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-O-tert-butyl 3-O-methyl (3R,5S)-5-[[1-(methoxymethyl)cyclopropyl]carbamoyl]piperidine-1,3-dicarboxylate into molecular formula.
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C18H30N2O6
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