C=C1C(=O)OC2C1C(OC(=O)C(=CC)COC(C)=O)CC1(CO1)C1C(OC(=O)C(=CC)CO)C=C(C)C21
Rewrite: "Functional confirmatory assay using TK-10 cell line for NCI human tumor growth inhibition (non-molecular target)." Is the molecule assay-effective?