You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(2R)-1-hydroxybutan-2-yl] (3R)-4-[(2S,6R)-6-[[(2R,4R,6R)-2-[(E)-3-[(2S,3S,4E)-3-acetyloxy-2-hydroxy-4-(2-methoxy-2-oxoethylidene)oxan-2-yl]-3-methylbut-1-enyl]-6-(2-oxo-2-prop-2-enoxyethyl)-1,3-dioxan-4-yl]methyl]oxan-2-yl]-3-hydroxybutanoate into molecular formula.
user
C38H58O15
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