You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R,5S,8S,9S,10R,13S,14S,17Z)-17-ethylidene-10-(hydroxymethyl)-3,13-dimethyl-2,4,5,6,7,8,9,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol is the IUPAC name of a molecule. Please give its SMILES representation.
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