Task: Answer the multiple-choice question.
Question: Which drug exhibits a 15.525\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COc1ccc(Br)cc1/C=N/NC(=O)Cn1nnnc1N
(b) O=S(=O)(Oc1ccc(Cl)cc1)c1cccc2cccnc12
Answer: a. COc1ccc(Br)cc1/C=N/NC(=O)Cn1nnnc1N
{#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#}
COc1ccc(Br)cc1/C=N/NC(=O)Cn1nnnc1N
COc1ccc(Br)cc1/C=N/NC(=O)Cn1nnnc1N
2-(5-aminotetrazol-1-yl)-N-[(E)-(5-bromo-2-methoxyphenyl)methylideneamino]acetamide