You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 14-[1-(3,4-dimethyloxolan-2-yl)-1,2-dihydroxypropan-2-yl]-19-hydroxy-2,15-dimethyl-5-(2-phenylethoxy)pentacyclo[10.5.2.02,7.09,18.015,19]nonadec-9(18)-en-8-one by IUPAC nomenclature, provide its molecular formula.
user
C38H54O6
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