(1r,2R,3S)-N-((64S,4R,Z)-11-Ethyl-12-(2-((R)-1-methoxyethyl)-5-(4-methylpiperazin-1-yl)pyridin-3-yl)-10,10-dimethyl-5,7-dioxo-11H-8-oxa-62,63-diaza-2(4,2)-thiazola-1(5,3)-indola-6(2,4)-bicyclo[3.1.1]heptanacycloundecaphane-4-yl)-2,3-dimethylcyclopropane-1-carboxamide