The SMILES COCCCn1[nH]c2c3c(ccc2c1=O)C(=O)c1ccccc1C3=O 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}.