You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] N-[4-[[2-(3-aminopropylamino)-2-oxoethyl]-tetradecanoylamino]butyl]carbamate by IUPAC nomenclature, provide its molecular formula.
user
C51H92N4O4
assistant