Nc1ccc(Oc2ccc(C34CC5CC6C3CC3CC4C(C5)C6(c4ccc(Oc5ccc(N)cc5)cc4)C3)cc2)cc1
Rewrite: "Functional confirmatory assay using TK-10 cell line for NCI human tumor growth inhibition (non-molecular target)." Is the molecule assay-effective?