5-[(3~{a}~{S},4~{S},6~{a}~{R})-2-oxidanylidene-1,3,3~{a},4,6,6~{a}-hexahydrothieno[3,4-d]imidazol-4-yl]-~{N}-[2-[[20-[2-[5-[(3~{a}~{S},4~{S},6~{a}~{R})-2-oxidanylidene-1,3,3~{a},4,6,6~{a}-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]ethanoylamino]-2$l^{3},4,12,14$l^{3},16,24,25$l^{3},27$l^{3}-octathia-1$l^{4},3$l^{4},13$l^{4},15$l^{4}-tetraferranonacyclo[11.11.1.1^{1,13}.1^{6,10}.1^{18,22}.0^{2,15}.0^{3,14}.0^{3,25}.0^{15,27}]octacosa-6(28),7,9,18,20,22(26)-hexaen-8-yl]amino]-2-oxidanylidene-ethyl]pentanamide