Problem statement: Answer the MCQ question.
Query: Which drug has a 14.380\% 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: Brc1ccc(NCc2cccc3ccccc23)nc1
b: COc1ccc(CNC(=O)C2CCC(CNS(=O)(=O)c3cccc4cccnc34)CC2)cc1
Answer: a. Brc1ccc(NCc2cccc3ccccc23)nc1
{#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#}
Brc1ccc(NCc2cccc3ccccc23)nc1
Brc1ccc(NCc2cccc3ccccc23)nc1
5-bromo-N-(naphthalen-1-ylmethyl)pyridin-2-amine