User: Is the molecule with the SMILES O=C1OC2(c3cc(Br)c(O)c(Br)c3Oc3c2cc(Br)c(O)c3Br)c2c(Cl)c(Cl)c(Cl)c(Cl)c21 a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Assistant: No, it is not a human ether-à-go-go related gene (hERG) blocker (<10uM).
User: Is the molecule with the {SMILES__description} {SMILES#} a {herg_blocker__names__noun}?
Assistant: {herg_blocker#No&Yes}, it is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
2',4',5',7'-tetrabromo-4,5,6,7-tetrachloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one