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system
Provide the molecular formula for the IUPAC named substance 19-[4-[[4-[(1S,2R)-1-benzamido-3-[[(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-diacetyloxy-2-benzoyloxy-1,9-dihydroxy-10,14,17,17-tetramethyl-11-oxo-15-tetracyclo[11.3.1.03,10.04,7]heptadec-13-enyl]oxy]-3-oxo-1-phenylpropan-2-yl]oxy-4-oxobutanoyl]amino]phenyl]nonadecanoic acid .
user
C77H98N2O17
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