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system
Name the molecular formula for the molecule established as (2R,6R)-6-[(5R,7S,10S,13R,14R,15S,17R)-7,15-dihydroxy-4,4,10-trimethyl-3,11-dioxo-2,5,6,7,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-4-oxoheptanoic acid using the IUPAC nomenclature.
user
C28H40O7
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