The SMILES O=C(O)c1cc2sccc2[nH]1 represents a molecule that is not a hERG blocker (>= 10uM).
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_blocker#not a hERG blocker (>= 10uM)&a hERG blocker (<10uM)}.
4H-thieno[3,2-b]pyrrole-5-carboxylic acid