Task: Answer the MCQ question.
Question: Which drug has a -3.985\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=C1CC(c2ccc(Cl)cc2)n2nc(N3C(=O)c4ccccc4C3=O)nc2N1
b: CC(C)c1ccc(NS(=O)(=O)c2ccc(Cl)nc2)cc1
Answer: a. O=C1CC(c2ccc(Cl)cc2)n2nc(N3C(=O)c4ccccc4C3=O)nc2N1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C1CC(c2ccc(Cl)cc2)n2nc(N3C(=O)c4ccccc4C3=O)nc2N1
O=C1CC(c2ccc(Cl)cc2)n2nc(N3C(=O)c4ccccc4C3=O)nc2N1
2-[7-(4-chlorophenyl)-5-oxo-6,7-dihydro-4H-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]isoindole-1,3-dione