The SMILES CSc1nc(N)c2c(n1)OC(N)=C(C#N)C2c1cccnc1 is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.