Problem statement: Answer the multiple-choice question.
Question: Which drug has a 4.307\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCC(=O)NC(Oc1ccc(C(C)=O)cc1)C(Cl)(Cl)Cl
(b) Nc1nc2n(n1)C(c1cccs1)CC(c1ccccc1)N2
Answer: b. Nc1nc2n(n1)C(c1cccs1)CC(c1ccccc1)N2
{#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#}
Nc1nc2n(n1)C(c1cccs1)CC(c1ccccc1)N2
Nc1nc2n(n1)C(c1cccs1)CC(c1ccccc1)N2
5-phenyl-7-thiophen-2-yl-4,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine