Task: Please create a molecule SMILES based on the description.
Description: A molecule that is a human ether-à-go-go related gene (hERG) blocking compound (<10uM).
Result: O=C1NCc2c(-c3ccccc3Cl)nc(=O)[nH]c2N1c1c(Cl)cccc1Cl
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: A molecule that is a {herg_blocker__names__noun}.
Result: {SMILES#}
8-[2,6-bis(chloranyl)phenyl]-4-(2-chlorophenyl)-5,6-dihydro-1H-pyrimido[4,5-d]pyrimidine-2,7-dione