You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl N-[[(8S,9S,10R,13S,14S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-11-oxo-1,2,6,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-ylidene]amino]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H34N2O6
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