You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2R,3S,4R,6aR,6bS,8aR,12S,14bR)-2,3-dihydroxy-4,6a,6b,8a,12,14b-hexamethyl-2,3,4a,5,6,7,8,9,10,11,12,12a,14,14a-tetradecahydro-1H-picene-4-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C29H46O4
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