The SMILES COC(=O)Cc1c(C)c2ccc(OCC(=O)NCc3ccc4c(c3)OCO4)cc2oc1=O is not a human ether-à-go-go related gene (hERG) blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.