preferred_name: METHYL 1-((9S,12S)-9-((4-((S)-3-AZIDO-2-((2R,3R)-3-((S)-1-((3R,4S,5S)-4-((S)-2-((S)-2-(DIMETHYLAMINO)-3-METHYLBUTANAMIDO)-N,3-DIMETHYLBUTANAMIDO)-3-METHOXY-5-METHYLHEPTANOYL)PYRROLIDIN-2-YL)-3-METHOXY-2-METHYLPROPANAMIDO)PROPYL)PHENYL)CARBAMOYL)-12-ISOPROPYL-2,2-DIMETHYL-4,11,14-TRIOXO-3-OXA-5,10,13-TRIAZAHEPTADECAN-17-OYL)PIPERIDINE-4-CARBOXYLATE