C=CCn1c(-c2cc(C(C)(C)C)c(O)c(C(C)(C)C)c2)csc1=NC(P(=O)(O)O)P(=O)(O)O
Rewrite: "Functional confirmatory assay using TK-10 cell line for NCI human tumor growth inhibition (non-molecular target)." Is the molecule assay-effective?