You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named methyl (1S,2S,10S,11S,13R,14R,15S,17S)-14-hydroxy-2,13,15-trimethyl-5-phenylmethoxy-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,5,7-triene-14-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C29H34O5
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