Saquinavir 

Chemical Name: (S)-N1-((2S,3R)-4-((3S,4aS,8aS)-3-(tert-butylcarbamoyl)octahydroisoquinolin-2(1H)-yl)-3-hydroxy-1-phenylbutan-2-yl)-2-(quinoline-2-carboxamido)succinamide

Smile: O=C(N[C@@]([H])(CC(N)=O)C(N[C@](CC1=CC=CC=C1)([H])[C@@](O)([H])CN2C[C@](CCCC3)([H])[C@]3([H])C[C@]2(C(NC(C)(C)C)=O)[H])=O)C4=NC5=C(C=C4)C=CC=C5