Task: Please classify a molecule based on the description.
Description: A molecule that is a human ether-à-go-go related gene (hERG) blocker (<10uM).
SMILES: O=C1NCc2c(-c3ccccc3Cl)nc(=O)[nH]c2N1c1c(Cl)cccc1Cl
Constraint: Answer the question in a full sentence.
Result:This molecule is a human ether-à-go-go related gene (hERG) blocker (<10uM).
Task: Please classify a molecule based on the description.
Description: A molecule that is a {herg_blocker__names__noun}.
{#Molecule |!}{SMILES__description}: {SMILES#}
Constraint: Answer the question in a {#full|complete!} sentence.
Result:This molecule is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
8-[2,6-bis(chloranyl)phenyl]-4-(2-chlorophenyl)-5,6-dihydro-1H-pyrimido[4,5-d]pyrimidine-2,7-dione