O=C1C=C(Nc2ccccc2C(=O)CC(=O)C(=O)Nc2cccc(C(F)(F)F)c2)c2ccccc2C1=O
Rewrite: "Functional confirmatory assay using TK-10 cell line for NCI human tumor growth inhibition (non-molecular target)." Is the molecule assay-effective?