The SMILES COc1cccc(C2c3[nH]c4ccccc4c3CCN2Cc2ncc[nH]2)c1 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}.