Task: Answer the multiple choice question.
Query: Which compound exhibits a 11.976\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) Brc1ccc(CNc2nc3ccccc3n2CCN2CCCCC2)cc1
b) COC(=O)C1C(=O)NC(SC)=C(C#N)C1c1ccccc1
Answer: b. COC(=O)C1C(=O)NC(SC)=C(C#N)C1c1ccccc1
{#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#}
COC(=O)C1C(=O)NC(SC)=C(C#N)C1c1ccccc1
COC(=O)C1C(=O)NC(SC)=C(C#N)C1c1ccccc1
methyl 5-cyano-6-methylsulfanyl-2-oxo-4-phenyl-3,4-dihydro-1H-pyridine-3-carboxylate