The molecule SMILES Clc1ccc(C2=NN=C3COc4ccccc4N3C2)cc1 is not a human ether-à-go-go related gene (hERG) blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.