N-((S)-1-((3R,3aR,6R,6aS)-3-hydroxy-6-methoxydihydro-2H-furo[3,2-b]pyrrol-4(5H,6H,6aH)-yl)-4,4-dimethyl-1-oxopentan-2-yl)-4-(4-isopropylpiperazin-1yl)benzamide