N(CCCC)(c1nc(nc(n1)N(CCCC)C2CC(C)(C)NC(C)(C)C2)N(CCCNc3nc(nc(n3)N(CCCC)C4CC(C)(C)NC(C)(C)C4)N(CCCC)C5CC(C)(C)NC(C)(C)C5)CCCNc6nc(nc(n6)N(CCCC)C7CC(C)(C)NC(C)(C)C7)N(CCCC)C8CC(C)(C)NC(C)(C)C8)C9CC(C)(C)NC(C)(C)C9