Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -26.730\% 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.COc1ccccc1N1CCN(CCCCN2C(=O)c3ccccc3C2=O)CC1
b. Cc1cccc(NC(=O)NC2(C)CCS(=O)(=O)C2)c1
Answer: a. Br.COc1ccccc1N1CCN(CCCCN2C(=O)c3ccccc3C2=O)CC1
{#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#}
Br.COc1ccccc1N1CCN(CCCCN2C(=O)c3ccccc3C2=O)CC1
Br.COc1ccccc1N1CCN(CCCCN2C(=O)c3ccccc3C2=O)CC1
2-[4-[4-(2-methoxyphenyl)piperazin-1-yl]butyl]isoindole-1,3-dione;hydrobromide