You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (4R,5R,6S)-4-(hydroxymethyl)-6-[(1S)-1-methoxy-2,2-dimethylbut-3-enyl]-1,3-dioxan-5-ol into molecular formula.
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C12H22O5
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