CSc1ccc(-c2cc(-c3nc4ccccc4[nH]3)nc3[nH]c(-c4nc5ccccc5[nH]4)cc(=O)c23)cc1
Rewrite: "Functional confirmatory assay using TK-10 cell line for NCI human tumor growth inhibition (non-molecular target)." Is the molecule assay-effective?