SMILES: CC1(C(N[C@H](S1)[C@@H](C(=O)NCCCC[C@@H](C(=O)N[C@@H](CCCCNC(=O)[C@H]([C@@H]2NC(C(S2)(C)C)C(=O)O)NC(=O)CC3=CC=CC=C3)C(=O)N[C@@H](CCCCNC(=O)[C@H]([C@@H]4NC(C(S4)(C)C)C(=O)O)NC(=O)CC5=CC=CC=C5)C(=O)N[C@@H](CCCCNC(=O)[C@H]([C@@H]6NC(C(S6)(C)C)C(=O)O)NC(=O)CC7=CC=CC=C7)C(=O)N[C@@H](CCCCNC(=O)[C@H]([C@@H]8NC(C(S8)(C)C)C(=O)O)NC(=O)CC9=CC=CC=C9)C(=O)N[C@@H](CCCCNC(=O)[C@H]([C@@H]1NC(C(S1)(C)C)C(=O)O)NC(=O)CC1=CC=CC=C1)C(=O)N[C@@H](CCCCNC(=O)[C@H]([C@@H]1NC(C(S1)(C)C)C(=O)O)NC(=O)CC1=CC=CC=C1)C(=O)N[C@@H](CCCCNC(=O)[C@H]([C@@H]1NC(C(S1)(C)C)C(=O)O)NC(=O)CC1=CC=CC=C1)C(=O)O)N)NC(=O)CC1=CC=CC=C1)C(=O)O)C
Description: The molecule is an oligopeptide that is octa-L-lysine (Lys-Lys-Lys-Lys-Lys-Lys-Lys-Lys) in which each lysine residue is substituted on the epsilon-nitrogen by a benzylpenicilloyl group; used in skin-testing for penicillin allergy.