CC(=O)Oc1ccc(-c2c(OC(C)=O)c(OC(C)=O)c(-c3ccc(OC(C)=O)c(OC(C)=O)c3)c(OC(C)=O)c2OC(C)=O)cc1
Rewrite: "Functional confirmatory assay using TK-10 cell line for NCI human tumor growth inhibition (non-molecular target)." Is the molecule assay-effective?