The SMILES O=C(OCn1nnc2ccccc2c1=O)c1ccc2c(=O)n3c(nc2c1)CCC3 represents a molecule that is not a human ether-à-go-go related gene (hERG) blocker.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.