O=C1C=CC(=CC=C2C=CN(CCCCCCCCCCC(=O)NCCCCCCCCCCCC(=O)[O-])C=C2)C=C1.[K+]
Rewrite: "Functional confirmatory assay using TK-10 cell line for NCI human tumor growth inhibition (non-molecular target)." Is the molecule assay-effective?