ethyl 1-[3-chloro-5-({[5-({2-[({5-chloro-6-[4-(ethoxycarbonyl)hexahydropyridin-1-yl]pyridin-3-yl}carbonyl)amino]-4-(4-chlorothiophen-2-yl)-1,3-thiazol-5-yl}sulfanyl)-4-(4-chlorothiophen-2-yl)-1,3-thiazol-2-yl]amino}carbonyl)pyridin-2-yl]hexahydropyridine-4-carboxylate