You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 4a-(cyclopropylmethoxymethyl)-6-[(4-methyl-1,3-thiazol-5-yl)methyl]-3,4,5,7,8,8a-hexahydro-2H-pyrano[3,2-c]pyridine into its molecular formula.
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C18H28N2O2S
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