The SMILES O=C(N=Nc1c(O)n(C2OC(=O)c3ccccc32)c2ccccc12)c1ccco1 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}.