Task: Answer the multiple-choice question.
Query: Which compound has a 19.792\% human ether-à-go-go related gene (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: Br.Cc1cc(NS(=O)(=O)c2ccc(Nc3nc(-c4sc(NC(=O)c5ccccc5)nc4C)cs3)cc2)no1
b: COC(=O)[C@H](CC(C)C)NC(=O)CCc1nnc(COc2ccccc2)o1
Answer: b. COC(=O)[C@H](CC(C)C)NC(=O)CCc1nnc(COc2ccccc2)o1
{#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)[C@H](CC(C)C)NC(=O)CCc1nnc(COc2ccccc2)o1
COC(=O)[C@H](CC(C)C)NC(=O)CCc1nnc(COc2ccccc2)o1
methyl (2S)-4-methyl-2-[3-[5-(phenoxymethyl)-1,3,4-oxadiazol-2-yl]propanoylamino]pentanoate