The SMILES Cc1cccc2cc(COC(=O)COc3ccccc3)c(=O)[nH]c12 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}.