You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(1R,3R,4S,6S,8R,9R,10S,11R)-8-hydroxy-3,8-dimethyl-12-methylidene-10-(2-methylprop-2-enoyloxy)-7,13-dioxo-5,14-dioxatricyclo[9.3.0.04,6]tetradecan-9-yl] 2-methylpropanoate into molecular formula.
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C23H30O9
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