[H]C12SCC(CSc3nnnn3C)=C(C(=O)O)N1C(=O)C2(NC(=O)CSCC#N)OC
DRUGMATRIX assay inhibits PDE5 enzyme (substrate: [3H]cGMP + cGMP) and targets a single protein. It uses human platelet cells and is an in vitro binding assay. Does the molecule work for this assay?