You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-benzyl-N-octyl-4-[(3R,9S,10S,12S,13R,14S,17R)-3,7,12-tris(3-hydroxypropoxy)-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanamide into molecular formula.
user
C48H81NO7
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